Academic literature on the topic 'Pregnancy - Nutrition'

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Journal articles on the topic "Pregnancy - Nutrition"

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Kravtsova, E. I., I. I. Kutsenko, I. O. Borovikov, and S. K. Batmen. "Nutrition and nutritional support during pregnancy." Russian Journal of Woman and Child Health 3, no. 4 (2020): 233–41. http://dx.doi.org/10.32364/2618-8430-2020-3-4-233-241.

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Increased nutrient needs during pregnancy are accounted for by physiological changes in the maternal organism and requirements of the developing and growing baby. They are realized through a number of physiological adaptations in nutrient metabolism. Physiological pregnancy and adequate fetal development are impossible in deficient nutrients, vitamins, and microelements. Randomized clinical trials in pregnant women have demonstrated that nutrient deficiency in the maternal organism results in pregnancy complications and health problems in the newborn but also accounts for a wide range of chronic disorders among the offspring. Probiotics improve digestive health in pregnant women and affect epigenetic programming of human homeostasis that predisposes to dysbiosis, allergies, and lipid and carbohydrate metabolism disorders. Prevention of vitamin and probiotic deficiency during pre-pregnancy planning, pregnancy, and breastfeeding focuses on ensuring that vitamin intake from food meets the requirements for these nutrients. Complex vitamin supplements containing probiotics treat alimentary deficiency and contribute to the favorable course of pregnancy and fetal development. KEYWORDS: nutrition, woman’s health, pregnancy, vitamins, probiotics, nutrient deficiency. FOR CITATION: Kravtsova E.I., Kutsenko I.I., Borovikov I.O., Batmen S.K. Nutrition and nutritional support during pregnancy. Russian Journal of Woman and Child Health. 2020;3(4):233–240. DOI: 10.32364/2618-8430-2020-3-4-233-241.
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Shahid, Asma Rumanaz, Asma Ul Hosna, and Ashraful Alam. "Pregnancy and Nutrition." Bangladesh Journal of Medical Science 11, no. 4 (November 13, 2012): 267–72. http://dx.doi.org/10.3329/bjms.v11i4.12596.

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Pregnancy is a specially important time in women’s life to focus on proper health care and nutrition. Nutrition during childhood and adolescence influence a women’s preconceptional nutritional status which subsequently influence the outcome of pregnancy and health of the baby. Good nutrition is the key to a successful pregnancy for both mother and child. The mother’s nutrition from the moment of conception is an important factor in the development of the infant’s metabolic pathway and future wellbeing. The diet during pregnancy should be adequate to provide maintenance of maternal health, the need of growing fetus, the strength and vitality required during labour and successful lactation. All women need to gain weight during pregnancy. Weight gain during pregnancy depends on pre-pregnancy weight. Ahealthy weight gain for most of the women is between 25-35Lb. During pregnancy a women has different nutritional need for different trimester to meet extra food needs and extra caloric requirement. Normal weight women need an extra 300 kcal /day during the 2nd and 3rd trimester of pregnancy. The total amount of needed calorie 2000-2500 kcal/day for a normal weight women. Needs for almost all nutrients are greater during pregnancy for own bodies growth, for baby and successful lactation. The dietetic advice given to the mother should be reasonable and realistic to the individual women. DOI: http://dx.doi.org/10.3329/bjms.v11i4.12596 Bangladesh Journal of Medical Science Vol. 11 No. 04 Oct’12
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Montgomery, Kristen S. "Nutrition and HIV-Positive Pregnancy." Journal of Perinatal Education 12, no. 1 (March 2003): 42–47. http://dx.doi.org/10.1891/1058-1243.12.1.42.

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When an HIV-positive woman becomes pregnant, additional nutritional considerations are warranted. Compared to routine prenatal nutritional assessment and intervention, pregnant HIV-positive women have increased needs to promote a healthy outcome. This column contains information on HIV and pregnancy, nutrition and infection, and nutrition for HIV-positive pregnancy. This content can be integrated into childbirth education settings to improve care to women who are HIV-positive.
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Jannah, Miftachul, and Swasti Artanti. "Penyuluhan Ibu Hamil dengan Tablet Fe, Nutrisi Ibu Hamil dan Tanda Bahaya Ibu Hamil di Wilayah Kelurahan Jenggot Kota Pekalongan." Jurnal ABDIMAS-HIP : Pengabdian Kepada Masyarakat 1, no. 1 (February 26, 2020): 14–18. http://dx.doi.org/10.37402/abdimaship.vol1.iss1.78.

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Community service program with the topic "Counseling Pregnant Women with Fe Tablets, Nutrition for Pregnant Women and Dangerous Signs of Pregnant Women in Jenggot, Pekalongan City" is aimed at Trimester II and III pregnant women to provide about pregnant women's knowledge about the benefits of Fe tablets , nutritional needs during pregnancy and pregnancy danger signs in the area of Jenggot, Pekalongan city. It is important to educate pregnant women about the benefits of Fe tablets during pregnancy because hemoglobin is needed for the body of pregnant women. During pregnancy, a pregnant woman needs to have high nutritious food and is sufficient for herself and her fetus. If a pregnant woman lacks nutrition and iron during pregnancy, it will cause problems, both for the mother and the fetus. Family and environmental factors will greatly affect pregnant women. Hopefully, pregnant women will have no abstinence to eat. This activity can be sustainable and encourage pregnant women to care during pregnancy whether to take Fe tablets, eat nutritious foods and understand the danger signs during pregnancy. In addition, a Pre Test and Post Test were conducted to determine the level of knowledge before and after counseling. The results obtained are that there is a significant increase in pregnant women in Jenggot, Pekalongan after counseling about Fe tablets, nutrition of pregnant women and pregnancy danger signs.
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Tini, Kar, Muh Syafar, A. Arsunan Arsin, Burhanuddin Bahar, Farming, and Fitri Yanti. "THE EFFECT OF EDUCATION USING MODIFICATION MODULE TOWARDS NUTRITIONAL INTAKE DURING PREGNANCY IN KENDARI, INDONESIA." Public Health of Indonesia 2, no. 2 (May 30, 2016): 84–92. http://dx.doi.org/10.36685/phi.v2i2.65.

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Background: Energy metabolism speeds up during pregnancy that requires pregnant women to have extra amount of nutritions. Provision of education on nutrition during pregnancy is an effort to prevent and tackle malnutrition.Aim: This study aimed to determine the effect of education using modification module towards nutritional intake during pregnancy in Kendari, IndonesiaMethods: This was Quasi Experimental study with pre-post design. There were 4 groups in this study, which were: 1) The group that received educational intervention using a modification module from the MHC book of the Department of Health, 2) The group that received educational intervention using MHC book of the Department of Health, 3) The group that only used modification modules from MHC book of the Department of Health, and 4) The group that only used the MHC book of Department of Health. The intervention was given for 6 months. Seventy eight of 4-months pregnant women were selected in this study. Data were collected by using 24 hours food recall instrument, and questionnaire adopted from Child and Maternal Nutrition Survey’s Questionnaire of Faculty of Public Health, Hasanuddin University. Data were analyzed by using Wilcoxon test and Kruskal Wallis test.Results: Results showed there was an effect of education by using the module modifications to the intake of nutritions during pregnancy. Increased nutrient intake was higher in pregnant women using a module class modifications.Conclusion: Education affects nutritional intake of pregnant women. Changes in nutritional intake was higher in group 1 (education modules with modifications), compared with the education group MCH handbook. It is suggested that mothers should improve the nutrition during pregnancy for the better growth of the fetus, composition and metabolic changes in the mother's body.
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Pristya, Terry Y. R., Azizah M. Fitri, and Widayani Wahyuningtyas. "Literature Review: Gizi Antenatal terhadap Kejadian Stunting." Jurnal Kesehatan 12, no. 2 (August 24, 2021): 314. http://dx.doi.org/10.26630/jk.v12i2.2261.

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<p>The period of pregnancy is one of the two causes of stunting. Nutritional intake during pregnancy is necessary for the growth and development of the organs that are being formed. The purpose of this literature review is to analyze the factors that cause stunting originating from pregnancy in terms of antenatal nutrition. This study is a literature review which is a primary data research article on antenatal nutrition on stunting conducted in Indonesia. The data source used is in the form of journal publications with research locations in Indonesia. Search for articles using a search engine with databases on Google Scholar and Garuda Portal. Keywords in English and Indonesian, include nutrition, pregnant women, stunting, nutrition, antenatal, pregnancy. Obtained 5 articles that fit the inclusion criteria then synthesized the data. The results showed that the factors causing stunting originating from the period of pregnancy in terms of antenatal nutrition consisted of protein, energy, and iron. One of the actions that can be taken to avoid deficiency of these nutritional elements during pregnancy is by providing education to pregnant women to pay attention to nutritional intake during pregnancy.</p>
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Wendołowicz, Agnieszka, Ewa Stefańska, and Lucyna Ostrowska. "Nutrition during pregnancy." Medycyna Ogólna i Nauki o Zdrowiu 20, no. 3 (October 9, 2014): 341–45. http://dx.doi.org/10.5604/20834543.1124669.

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Bruja, Alexandra. "Nutrition in pregnancy." Perinatologia 3, no. 1 (2017): 118. http://dx.doi.org/10.26416/peri.1.3.2017.1169.

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Jain, Surabhi. "Nutrition in Pregnancy." IP Journal of Nutrition, Metabolism and Health Science 2, no. 4 (July 15, 2020): 108–12. http://dx.doi.org/10.18231/j.ijnmhs.2019.022.

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Zichella, L., B. Bianchi, C. Dell'elce, and A. Santoro. "Nutrition and Pregnancy." Journal of Obstetrics and Gynaecology 7, sup1 (January 1986): S2. http://dx.doi.org/10.3109/01443618609089341.

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Dissertations / Theses on the topic "Pregnancy - Nutrition"

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Klinger, Ingrid. "The nutritional status of pregnant women in relation to alcohol consumption during pregnancy, and pregnancy outcome." Thesis, Stellenbosch : University of Stellenbosch, 2004. http://hdl.handle.net/10019.1/16365.

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Thesis (MVoeding)--University of Stellenbosch, 2004.
ENGLISH ABSTRACT: Introduction: Heavy alcohol consumption during pregnancy is teratogenic.49-51 A woman’s nutritional requirements increase during pregnancy.4 The dangers of heavy drinking in the presence of malnutrition may put the fetus at a further disadvantage to normal development and life. Objectives: To determine the nutritional status of pregnant women in relation to alcohol consumption during pregnancy, and pregnancy outcome. To relate the combined effect of maternal alcohol consumption and nutritional status to pregnancy outcome. Study design: Prospective, longitudinal and cohort. Study population: Pregnant women attending Hanover Park MOU for pre-natal care. They were classified as subjects (heavy drinkers) or controls (light drinkers or abstainers), and 15 pairs were matched according to race, parity and gestational age at the onset of their participation in the study. Methodology: A skilled FARR worker determined the alcohol consumption of the individuals through a validated questionnaire, whilst the investigator gathered the study data blinded to the participants’ alcohol consumption status. The investigator conducted three interviews with the pregnant individuals. Anthropometrical, clinical and biochemical investigations were done and questionnaires completed to determine dietary intake, sociodemographics, health and eating habits. An experienced FARR paediatrician examined the newborns, assessing their anthropometric status, health and the presence of any alcohol-related signs. Results: The nutritional status of the matched subjects and controls did not differ significantly in terms of dietary intake, anthropometric or clinical assessment. There were significant differences between the 2 groups’ serum vitamin A values (p<0.0097). Significant associations were found between the mother and newborn data; specifically energy intake and gestational age at birth (p<0.0083), MUAC and birth weight (p<0.04), and weight gain and weight for age (p<0.0056). The participants’ energy intake also had a significant correlation with their weight gain during pregnancy (r=0.0389, p<0.01). The prevalence of FAS in the total population was 6.67%; a finding that confirms previously reported data in nearby Wellington, Western Cape.49 Conclusion: Some mothers’ good nutritional status did not protect their offspring against alcohol’s teratogenic effects. Nutritional status did have a few statistical significant effects on pregnancy. However, the investigator is of the opinion that the few significant findings were not enough to accept or reject the hypothesis; therefore, making the results inconclusive.
AFRIKAANSE OPSOMMING: Inleiding: Swaar alkoholgebruik tydens swangerskap is teratogenies.49-51 Vroue se voedingsbehoeftes verhoog met swangerskap.4 Die gevare van swaar alkoholgebruik in die teenwoordigheid van wanvoeding mag die fetus verhoed om normal te ontwikkel en groei. Doelwitte: Om die voedingstatus van swanger vroue te bepaal in verhouding met alkoholgebruik tydens swangerskap, en die swangerskapsuitkoms. Asook om die gekombineerde effek van die moeder se voedingstatus en alkoholgebruik op haar swangerskapsuitkoms te bepaal. Studie-ontwerp: Prospektief, longitudinaal en kohort. Studiepopulasie: Swanger vroue wat Hanover Park MOU besoek vir voorgeboorte sorg. Hulle is of as toetslinge (swaar drinkers) of as kontroles (ligte drinkers of geheelonthouers) geklassifiseer, en 15 pare is gepaar na aanleiding van ras, pariteit en gestasionele ouderdom by die aanvang van deelname aan die studie. Metodologie: ‘n Ervare SAVN lid het die individue se alkoholgebruik bepaal deur middel van ‘n gevalideerde vraelys. Die navorser was geblind vir die individue se alkoholgebruik. Die navorser het drie onderhoude gevoer met elke individu. Antropometriese, kliniese en biochemiese ondersoeke is gedoen. Vraelyste is voltooi om dieetinname, gesondheid, sosiodemografiese en eetgewoonte- inligting te versamel. ‘n Ervare SAVN pediater het alle pasgeborenes ondersoek om hulle antropometriese status, gesondheid en die teenwoordigheid van enige alkohol-verwante tekens te bepaal. Resultate: Die voedingstatus van die gepaarde toets-en kontrolegroepe het nie beduidend verskil in terme van dieetinname, antropometriese of kliniese evaluering nie. Daar was ‘n beduidende verskil tussen die 2 groepe se serum vitamien A vlakke (p<0.0097). Beduidende assosiasies is gevind tussen die moeder en pasgebore se data; naamlike tussen energie-inname en gestasionele ouderdom by geboorte (p<0.0083), bo-armomtrek en geboortegewig (p<0.0056), en gewigstoename tydens swangerskap en die baba se gewig vir ouderdom (p<0.0056). Die deelnemers se energie-inname het ook ‘n beduidende positiewe korrelasie met hul gewigstoename tydens swangerskap gehad (r=0.0389, p<0.01). Die prevalensie van FAS in die totale populasie was 6.67%; wat ook gevind is onlangs in die nabygeleë Wellington, Weskaap.49 Gevolgtrekking: Sommige moeders se goeie voedingstatus het nie hul kinders teen alkohol se teratogeniese effekte beskerm nie. Voedingstatus se effek op swangerskapsuitkoms was statisties beduidend in ‘n paar gevalle. Tog is die navorser van mening dat daar nie genoeg beduidende bewyse is om die nulhipotese te aanvaar of verwerp nie; dus is die gevolgtrekking onopgelos.
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Al-Rasasi, Buthaina. "Nausea and vomiting in pregnancy, maternal nutrition and pregnancy outcome." Thesis, University of Surrey, 2003. http://epubs.surrey.ac.uk/843490/.

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Nausea and vomiting in pregnancy (NVP), which is known to affect nearly 70% of all pregnant women, has been associated with favourable pregnancy outcomes such as decreased risk of miscarriage, low birth weight and premature delivery. The aim of this research was to determine the mechanism by which these protective effects of NVP may be brought about. Women suffering from NVP may decrease their intake due to the symptoms, may increase their intake to alleviate symptoms, or may change the quality of their diet. Both a retrospective questionnaire survey (n=201) and a prospective cohort study (n=52) were carried out between April 1999 and August 2001. Women were recruited mainly from two GP clinics in Guildford. It was found from both studies that the prevalence of NVP in the Guildford area is similar to that reported in other studies. Although this study found no relationship between NVP and birth weight and gestational age, women with NVP had higher cord IGF-1 levels compared to women without NVP (p=0.044). In addition, duration of NVP was inversely related to birthweight to placental ratio (p=0.011). Forty three women provided complete dietary information. It was found that energy intakes did not differ between women who had NVP compared with women who had no NVP, however the quality of diet varied between women with NVP and those without NVP. This is probably due to the fact that women with NVP had a high risk of cravings and aversions in pregnancy, leading to the difference in intake of certain nutrients such as riboflavin, calcium, zinc and copper. The strong association between NVP and aversions in pregnancy (P= 0.026) found in the retrospective study could lend further support to the "Embryo protection" hypothesis, which states that NVP is a protective mechanism, which has evolved to prevent the mother from the ingestion of foods that could be harmful to the fetus. Further studies using larger sample sizes, covering a range of socio-economic status and different regions are needed before definite conclusions can be drawn.
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Patel, Dipti. "The effect of nutritional assessment and counseling of underweight pregnant women enrolled in nutrition intervention project (NIP)." Thesis, This resource online, 1993. http://scholar.lib.vt.edu/theses/available/etd-06162009-063240/.

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Delcourt, Sarah E. "A healthy pregnancy outcome brochure to educate women of childbearing age and pregnant women." Thesis, California State University, Long Beach, 2015. http://pqdtopen.proquest.com/#viewpdf?dispub=1596459.

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The purpose of this project was to create a brochure based on current healthy pregnancy outcome recommendations with additional recommendations for reducing organophosphate (OP) pesticide exposure and promotion of nutrition quality of organic versus conventionally grown food. Specific objectives of the project were: (a) review the literature and depth of the problem, (b) review existing similar healthy pregnancy outcome educational material, (c) develop a brochure for the purpose of educating women of childbearing age and pregnant women about healthy pregnancy outcome recommendations, and (d) develop tools to measure learner comprehension of the information presented in the brochure, as well as obtain recommendations for improving the brochure. An expert panel reviewed the brochure and modifications were made based on their suggestions. Implementing the resulting evidence-based brochure could help increase healthy pregnancy outcomes and improve the overall health of women and children.

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Linné, Yvonne. "Factors affecting weight development after pregnancy - the SPAWN (Stockholm Pregnancy And Women's Nutrition) study /." Stockholm, 2002. http://diss.kib.ki.se/2002/91-7349-405-4/.

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Mathews, Fiona. "A prospective study of nutrition, smoking and pregnancy outcome." Thesis, University of Oxford, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.389180.

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Anderson, Annie S. "Food and nutrition during pregnancy : attitudes, knowledge and practice." Thesis, University of Aberdeen, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.384839.

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In order to test the hypothesis that pregnant women are responsive to nutrition education aimed at altering dietary behaviour (irrespective of social or demographic consideration) four studies were conducted on women resident in Aberdeen. Valid and reliable methods of assessing nutrition knowledge, attitudes to healthier eating (based on the Theory of Reasoned Action model) and dietary intake were developed from a number of formative research and pilot studies carried out in the local population. The results from the major studies indicated that women change their diets during early pregnancy (i.e. before attending ante-natal clinics) and these changes are maintained throughout gestation, but are not related to nutrition knowledge. The response of pregnant women to nutrition education was to increase knowledge about nutrition but no effect was detected on attitudinal variables or dietary intake. Multiple Regression analysis of the socio-demographic characteristics, nutrition knowledge, attitude, and dietary intake of women who have not received formal nutrition education during pregnancy suggest that knowledge about nutrition has a limited impact on diet, whereas social class and smoking may have a greater effect. Attitudinal variables, including Subjective Norm (or social pressure), will also exert an effect on dietary intake. The implication of these studies is that future nutrition education programmes need to commence well before pregnancy in order to alter diet during pregnancy. Future programmes could usefully assess ways of influencing Attitude and Subjective Norm and evaluate the impact of targeting these variables as a means to changing dietary behaviour.
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Yousuf, Shadia Abdullah Hassan. "The nature of nutritional advice given by diploma nurses in primary health care centres in Jeddah, Saudi Arabia." Thesis, London South Bank University, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.298379.

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The introduction of Primary Health Care (PHC) in Saudi Arabia has given nurses excellent opportunities and more responsibility to provide health education and advice in health promotion activities. Provision of appropriate and affordable dietary advice is an important role of the nurses in the Primary Health Care Centres (PHCC). Maternal nutrition is an essential element for the health status of the child, the family and the wider society. Many studies have suggested that there is a relationship between good nutritional intake during pregnancy and the successful outcome of the pregnancy. The present study was conducted to explore the knowledge and understanding of Saudi women and nurses in PHCC regarding nutritional intake during pregnancy. The study also looked at the effect of a short education programme on the nurses' nutritional knowledge and their subsequent practice. The aims of the study were to identify the understanding of Saudi women of pregnancy and nutritional intake during pregnancy, and to evaluate the effect of a short nutritional programme on diploma nurses. To achieve the aims, data collection was carried out in three phases. Phase one used semi-structured interview (tape recorded) on 10 pregnant women, selected randomly, to elicit the general understanding pregnant women had on pregnancy and pregnancy related areas. Phase two used a structured interview schedule on 100 pregnant women attending PHCC, selected systematically, to assess nutritional knowledge and their perception of nutritional advice given by the nurses in PHCC. Phase three was divided into two stages. The first stage used a self-administered questionnaire on 20 diploma nurses working in antenatal clinics in PHCC to assess their nutritional knowledge in relation to pregnancy. The questionnaire was used as both a pre-test and post-test instrument. Thereafter, based on the findings from phase one and two, a 20-hour continuing education (CE) programme was developed by the researcher on maternal nutrition for the diploma nurses. The second stage was to implement the programme to the nurses in five days. The effect of the programme was evaluated by an immediate post-test on nurses' knowledge and a follow-up post-test (after six months) to assess any lasting changes. Data analysis was carried out using content analysis for phase one. For the phase two and three, SPSS programme was used. Chi square was used to look for any association between knowledge scores and personal variables, paired Hest was used to assess the difference between pre-test and post-test. The results from the study showed that the majority of women attending the PHCC were illiterate or had little formal education, had a high pregnancy rate and had poor nutritional knowledge in relation to pregnancy. They preferred female health professional care and they preferred to have female doctors attending their antenatal care rather than the nurses. There was no significant difference between nurses' and women's nutritional knowledge. The results also showed a significant correlation between poor nutritional knowledge scores of the women and certain factors: the scores correlated positively with the level of education and negatively with the number of pregnancies. Regarding the programme, the results showed a significant increase in the nurses' nutritional knowledge scores from pre-test to post-test at p< 0.05, indicating that participants demonstrated increased nutritional knowledge as a result of participation in the programme. There was no significant difference between the initial post-test and the six-month follow-up. No significant relationships were identified between the nurses' scores and their age and years of experiences. The study also indicated that nurses in PHCC were not giving adequate nutritional advice to pregnant women in the views of these women and in my own observation. The findings suggest that frequent continuing education is essential for nurses in PHCC in Saudi Arabia to improve their skills and nutritional knowledge to be able to provide better care for women.
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Lippert, M. "Aspects of feeding the hill ewe during pregnancy." Thesis, University of Edinburgh, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.354201.

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Drake, Rana. "Patterns of meat consumption and pregnancy." Thesis, London South Bank University, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.245068.

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Books on the topic "Pregnancy - Nutrition"

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Sadler, M. J. Nutrition in pregnancy. London: British Nutrition Foundation, 1994.

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S, Raff Beverly, and Dickman Florence, eds. Nutrition and pregnancy. White Plains, N.Y: March of Dimes Birth Defects Foundation, 1986.

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Grieve, Linda. Nutrition and pregnancy. Brechin: Department of Nutrition & Dietetics, Stracathro Hospital in association with Post-Graduate Nutrition and Dietetic Centre, Rowett Research Institute, 1992.

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Natow, Annette B. The pregnancy nutrition counter. New York: Pocket Star Books, 1992.

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(Canada), Federal-Provincial Subcommittee on Nutrition. Nutrition in pregnancy: National guidelines. [Ottawa]: The Subcommittee, 1987.

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Nutrition, pregnancy, and early infancy. Baltimore: Williams & Wilkins, 1989.

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Rodwell, Williams Sue, ed. Nutrition in pregnancy and lactation. 5th ed. St. Louis: Mosby, 1993.

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1945-, Vermeersch Joyce, and Williams Sue Rodwell, eds. Nutrition in pregnancy and lactation. 3rd ed. St. Louis: Times Mirror/Mosby College Pub., 1985.

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Worthington-Roberts, Bonnie S. Nutrition in pregnancy and lactation. 3rd ed. St. Louis: Times Mirror/Mosby College Pub., 1985.

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Rodwell, Williams Sue, ed. Nutrition in pregnancy and lactation. 4th ed. St. Louis: Times Mirror/Mosby College Pub., 1989.

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Book chapters on the topic "Pregnancy - Nutrition"

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Stover, Jean, and Mandy Trolinger. "Pregnancy." In Nutrition in Kidney Disease, 347–55. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-44858-5_19.

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Stover, Jean. "Pregnancy." In Nutrition in Kidney Disease, 291–98. Totowa, NJ: Humana Press, 2013. http://dx.doi.org/10.1007/978-1-62703-685-6_17.

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Rizzotto, Jo-Anne M., Judy Giusti, and Laurie Higgins. "Nutrition and Pregnancy." In Diabetes in Women, 255–72. Totowa, NJ: Humana Press, 2009. http://dx.doi.org/10.1007/978-1-60327-250-6_14.

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James, W. P. T., and Ann Ralph. "Nutrition in Pregnancy." In Carbohydrate Metabolism in Pregnancy and the Newborn · IV, 25–37. London: Springer London, 1989. http://dx.doi.org/10.1007/978-1-4471-1680-6_4.

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Debiec, Katherine E., and Judy Simon. "Nutrition in Adolescent Pregnancy." In Adolescent Nutrition, 721–40. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-45103-5_24.

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van Raaij, Joop Ma, and Lisette CPGM de Groot. "Pregnancy and Lactation." In Nutrition and Metabolism, 102–18. Oxford, UK: Wiley-Blackwell, 2011. http://dx.doi.org/10.1002/9781444327779.ch6.

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Piper, Brenda. "Pregnancy and lactation." In Diet and Nutrition, 197–208. Boston, MA: Springer US, 1996. http://dx.doi.org/10.1007/978-1-4899-7244-6_10.

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Wagner, Lana K., and Frank M. Ralls. "Sleep, Pregnancy, and Nutrition." In Handbook of Nutrition and Pregnancy, 109–15. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-90988-2_6.

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Newton, Edward R. "Maternal Nutrition." In Queenan's Management of High-Risk Pregnancy, 4–22. Oxford, UK: Wiley-Blackwell, 2012. http://dx.doi.org/10.1002/9781119963783.ch2.

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Hornstra, G., M. D. M. Al, A. C. Van Houwelingen, and M. M. H. P. Foreman-Van Drongelen. "Essential fatty acids, pregnancy and pregnancy outcome." In Recent Developments in Infant Nutrition, 51–63. Dordrecht: Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-009-1790-3_4.

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Conference papers on the topic "Pregnancy - Nutrition"

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Syuadzah, Rahmi, Hari Wahyu Nugroho, and Safitri Tia Tampy. "Association between Maternal Weight and A Newborn Weight in Surakarta, Central Java." In The 7th International Conference on Public Health 2020. Masters Program in Public Health, Universitas Sebelas Maret, 2020. http://dx.doi.org/10.26911/the7thicph.03.12.

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ABSTRACT Background: In Indonesia, nutrition is still the 5 biggest problem for mothers and children. Nutrition in the mother during pregnancy will affect the nutrition the infant gets while in the womb. Nutrition in children is very important in the first 1000 days of life because it will affect the growth and development of the infant. One way to assess the nutritional adequacy of new born is by measuring the infant’s weight at birth. This study aimed to determine the relationship between maternal weight and birth weight. Subjects and Method: This was a cross sectional study conducted at Pajang Community Health Center, Surakarta, Central Java. The study subjects were all mothers and infants whose birth weight were measured during February to March 2020. The dependent variable in this study was maternal weight. The independent variable was birth weight. The data were taken from the medical records of the Pajang Community Health Center. The data were analyzed using logistic regression test Results: Maternal weight below the normal weight had tendency to produce babies with less weight than pregnant women with normal maternal weight (OR= 55.00; p<0.001), and it was statistically significant. Conclusion: There is a significant relationship between maternal weight of pregnant women and birth weight Keywords: maternal weight, birth weight Correspondence: Rahmi Syuadzah. Pediatric Research Center (PRC), Department of Child Health, Dr. Moewardi Hospital, Surakarta. Jl. Colonel Sutarto, Jebres, Kec. Jebres, Surakarta City, Central Java 57126. Email: Rahmi_syuadzah@yahoo.com. Mobile: 082144806405 DOI: https://doi.org/10.26911/the7thicph.03.12
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Widhiyanti, Fitria, Yulia Lanti Retno Dewi, and Isna Qodrijati. "Fad Diets and Other Factors Affecting the Risk of Chronic Energy Deficiency among Adolescent Females at The Boarding School." In The 7th International Conference on Public Health 2020. Masters Program in Public Health, Universitas Sebelas Maret, 2020. http://dx.doi.org/10.26911/the7thicph.03.102.

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ABSTRACT Background: Women of reproductive need higher nutrition intake to obtain adequate levels of nutrition prepare for pregnancy and during their pregnancy. Inadequate nutrition intakes in pregnant women have been reported to lead to poor maternal and infant outcomes. This study aimed to investigate the effects of fad diets and other factors on the risk of chronic energy deficiency among adolescent females at the boarding school. Subjects and Method: A cross-sectional study was conducted at Islamic boarding school in Yogyakarta, Indonesia. A sample of 200 female adolescents aged 19-24 years was selected by simple random sampling. The dependent variable was CED. The independent variables were perception toward body image, calorie intake, protein intake, fad diet, stress, and knowledge toward nutrition. The data were collected by digital weight scale, microtoise, mid-upper arm circumference tape, and questionnaire. The data were analyzed by a multiple logistic regression run on Stata 13. Results: The risk of CED in female adolescents increased with negative body image (OR= 2.30; 95% CI= 1.02 to 5.18; p= 0.044), fad diet (OR= 3.94; 95% CI= 1.71 to 9.08; p= 0.001), and high stress (OR= 7.02; 95% CI= 2.93 to 16.83; p<0.001). The risk of CED decreased with high calorie intake (OR= 0.31; 95% CI= 0.14 to 0.69; p= 0.005), high protein intake (OR= 0.30; 95% CI= 0.11 to 0.83; p= 0.020), and high knowledge toward nutrition (OR= 0.43; 95% CI= 0.20 to 0.96; p= 0.038). Conclusion: The risk of CED in female adolescents increases with negative body image, fad diet, and high stress. The risk of CED decreases with high calorie intake, high protein intake, and high knowledge toward nutrition. Keywords: chronic energy deficiency, body image, fad diet Correspondence: Fitria Widhiyanti. Masters Program in Public Health, Universitas Sebelas Maret. Jl. Ir. Sutami 36A, Surakarta 57126, Central Java, Indonesia. Email: fwidhiyanti@gmail.com. Mobile: +6282135793992. DOI: https://doi.org/10.26911/the7thicph.03.102
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Tampy, Safitri Tia, Hari Wahyu Nugroho, and Rahmi Syuadzah. "Association between Maternal Anemia with Stunting Incidence among Newborns in Surakarta, Central Java." In The 7th International Conference on Public Health 2020. Masters Program in Public Health, Universitas Sebelas Maret, 2020. http://dx.doi.org/10.26911/the7thicph.03.11.

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ABSTRACT Background: Stunting is one of the global nutrition problems, which is recorded in the six global nutrition targets in 2025. Stunting is defined as a condition when a child’s body length or height based on age and sex is below -2 SD of the median standard of child growth by World Health Organization. The prevalence of stunting in newborns in the world is 3.8%. The causes of stunting are multifactorally occurring from the age of conception to the age of two. Factors that influence stunting of newborns during the prenatal period are maternal height, maternal weight gain, anemia, and infection during pregnancy. Anemia occurs in 37% of pregnant women. Maternal anemia causes disruption in fetal growth which increases the risk of stunting at birth. This study aimed to examine the Association between maternal anemia with stunting incidence among newborns in Surakarta, Central Java. Subjects and Method: This was a cross-sectional study conducted at Sibela Community Health Center, Surakarta, Central Java. Total of 184 third trimester pregnant women and 184 newborns were enrolled in this study. The dependent variable was stunting among newborns. The independent variable was anemia in pregnant women. The data were taken from medical records in the period February-March 2020. The data were analyzed using Chi-square. Results: The prevalence of stunting among newborns was 8.2%. Anemia among pregnant women were 31.0%. Pregnant women who had anemia increase the incidence of stunting among newborns (OR = 5,19; 95% CI = 1.69 to 15.99; p = 0.002). Conclusion: There is a relationship between anemia among pregnant women and the incidence of stunting among newborns. Keywords: anemia, pregnancy, stunting, newborn Correspondence: Safitri Tia Tampy. Pediatric Research Center (PRC), Department of Pediatric Science, Dr Moewardi General Hospital, Surakarta, Central Java DOI: https://doi.org/10.26911/the7thicph.03.11
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Ilham and Wara Kushartanti. "A Meta Analysis Study of Nutrition and Physical Fitness During Pregnancy." In The 3rd Yogyakarta International Seminar on Health, Physical Education, and Sport Science (YISHPESS 2019) in conjunction with The 2nd Conference on Interdisciplinary Approach in Sports (CoIS 2019). SCITEPRESS - Science and Technology Publications, 2019. http://dx.doi.org/10.5220/0009798405920597.

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Menezes, A. C. B., T. L. Neville, M. S. Crouse, K. J. McLean, A. K. Ward, L. P. Reynolds, C. R. Dahlen, et al. "Nutrition and early pregnancy in beef heifers: impacts on CAT2 abundance in utero-placental tissues." In 6th EAAP International Symposium on Energy and Protein Metabolism and Nutrition. The Netherlands: Wageningen Academic Publishers, 2019. http://dx.doi.org/10.3920/978-90-8686-891-9_52.

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Pan, Yuan, Yang Yu, and Ruizhi Liu. "Application of Prenatal Health Education and Nutrition Intervention in Patients with Pregnancy-induced Hypertension." In 8th International Conference on Education, Management, Information and Management Society (EMIM 2018). Paris, France: Atlantis Press, 2018. http://dx.doi.org/10.2991/emim-18.2018.4.

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Hildreth, Jillian Rae, Mark H. Vickers, Clare R. Wall, and Jacquie L. Bay. "“Can I Eat That?”—New Zealand Mothers’ Views of Pregnancy and Early-Life Nutrition Information." In NSNZ 2021. Basel Switzerland: MDPI, 2022. http://dx.doi.org/10.3390/msf2022009010.

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Liu, Isabella, Le Ye Lee, and Jia Ming Low. "352 Outcomes of diet control in gestational diabetes during pregnancy with counselling and food nutrition mobile application." In RCPCH Conference Singapore. BMJ Publishing Group Ltd, 2021. http://dx.doi.org/10.1136/bmjpo-2021-rcpch.191.

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Jarman, M., PJ Robson, Y. Shen, M. Madsen, and RC Bell. "P21 Patterns of breastfeeding at 3 months postpartum in the alberta pregnancy outcomes and nutrition (apron) study." In Society for Social Medicine, 61st Annual Scientific Meeting, University of Manchester, 5–8 September 2017. BMJ Publishing Group Ltd, 2017. http://dx.doi.org/10.1136/jech-2017-ssmabstracts.123.

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Pasternak-Winiarska, Anna. "Nutrition and nutritional recommendations for pregnant women in Poland and same chosen countries." In The 3rd Virtual Multidisciplinary Conference. Publishing Society, 2015. http://dx.doi.org/10.18638/quaesti.2015.3.1.248.

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Reports on the topic "Pregnancy - Nutrition"

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Racine, Andrew, and Cristina Yunzal-Butler. Reassessing the WIC Effect: Evidence from the Pregnancy Nutrition Surveillance System. Cambridge, MA: National Bureau of Economic Research, September 2007. http://dx.doi.org/10.3386/w13441.

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Shey Wiysonge, Charles. Does additional social support during at-risk pregnancy improve perinatal outcomes? SUPPORT, 2016. http://dx.doi.org/10.30846/1608104.

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Additional social support has been advocated for socially disadvantaged pregnant women because they are at greater risk of experiencing adverse birth outcomes. Support may include advice and counselling (e.g. about nutrition, rest, stress management, or the use of alcohol), tangible assistance (e.g. transportation to clinic appointments, or household help), and emotional support (e.g. reassurance, or sympathetic listening). The additional social support may be delivered by multidisciplinary teams of healthcare workers or lay health workers during home visits, clinic appointments or by telephone.
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Lazdane, Gunta, Dace Rezeberga, Ieva Briedite, Inara Kantane, Elizabete Pumpure, Ieva Pitkevica, Darja Mihailova, and Marta Laura Gravina. Sexual and reproductive health survey in the time of COVID-19 – Latvia, 2020. Rīga Stradiņš University, February 2021. http://dx.doi.org/10.25143/fk2/j5kxxd.

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The results of the anonymous online survey of people living in Latvia age 18 and over, using internationally (I-SHARE) and nationally validated questionnaire. Data include following variables: Selection, socio-demographics, social distancing measures, couple and family relationships, sexual behavior, access to condoms and contraceptives, access to reproductive health services, antenatal care, pregnancy and maternal and child health, abortion, sexual and gender-based violence, HIV/STI, mental health, and nutrition. (2021-02-08)
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Caulfield, Laura E., Wendy L. Bennett, Susan M. Gross, Kristen M. Hurley, S. Michelle Ogunwole, Maya Venkataramani, Jennifer L. Lerman, Allen Zhang, Ritu Sharma, and Eric B. Bass. Maternal and Child Outcomes Associated With the Special Supplemental Nutrition Program for Women, Infants, and Children (WIC). Agency for Healthcare Research and Quality (AHRQ), April 2022. http://dx.doi.org/10.23970/ahrqepccer253.

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Objectives. The Special Supplemental Nutrition Program for Women, Infants, and Children (WIC) aims to safeguard the health of low-income, nutritionally at-risk pregnant and postpartum women and children less than 5 years old. This systematic review evaluates whether participation in WIC is associated with nutrition and health outcomes for women, infants, and children, and whether the associations vary by duration of participation or across subgroups. Because of major revisions to the WIC food package in 2009, we prioritized studies published since 2009 and included studies comparing outcomes before and after the 2009 food package change. Data sources. Using electronic publication databases, we conducted a literature search from January 2009 to September 2021 and a targeted search for selected outcomes from January 2000 to September 2021. Review methods. Paired team members independently screened search results, serially abstracted data, assessed risk of bias, and graded strength of evidence (SOE) using standard methods for observational studies. Results. We included 82 quantitative observational studies and 16 qualitative studies, with 49 studies comparing outcomes of WIC participants with WIC-eligible non-participants. WIC prenatal participation was associated with lower risk of three outcomes: preterm delivery (moderate SOE), low birth weight (moderate SOE), and infant mortality (moderate SOE). Prenatal WIC participation was associated with better maternal diet quality (low SOE), lower risk of inadequate gestational weight gain (low SOE), lower alcohol use in pregnancy (low SOE), and no difference in smoking (low SOE). Maternal WIC participation was associated with increased child preventive care and immunizations (each low SOE), and higher cognitive scores for children (low SOE). Child WIC participation was associated with better diet quality (moderate SOE), and greater intakes of 100 percent fruit juice, whole grain cereals, and age-appropriate milk (moderate SOE). Household WIC participation was associated with greater purchasing of healthy food groups (moderate SOE). Maternal WIC participation was not associated with breastfeeding initiation (moderate SOE). The evidence was insufficient for other outcomes related to maternal health and child growth. The evidence generally was insufficient on how WIC participation affects outcomes across subgroups. Conclusions. Maternal WIC participation was associated with improved birth outcomes, lower infant mortality, and better child cognitive development. WIC participation was associated with purchasing healthier foods and with improved diets for pregnant women and children. More research is needed on maternal health outcomes; food security; child growth, development, and academic achievement; and effectiveness of WIC in all segments of the eligible population.
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Boisclair, Yves R., Alan W. Bell, and Avi Shamay. Regulation and Action of Leptin in Pregnant and Lactating Dairy Cows. United States Department of Agriculture, July 2000. http://dx.doi.org/10.32747/2000.7586465.bard.

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The original project had four specific objectives: (1) To complete the development of a radioimmunoassay for bovine leptin; (2) To characterize the leptin system in lactating dairy cows during the transition from pregnancy to lactation; (3) To identify endocrine factors regulating the production of leptin by bovine adipose tissue; (4) To study the actions of leptin on bovine adipose and mammary tissues in vitro. However, BARD funded only the development of the bovine leptin RIA (Objective 1) for a single year. This report describes our work in completing this objective. Leptin, a protein hormone secreted predominantly by white adipose tissue, plays a critical role in the regulation of energy metabolism. In rodents and humans, leptin informs the central nervous system of the size of the energy reserves, coordinates adaptations to periods of nutrient insufficiency, and regulates the metabolism of key tissues involved in the storage and dissipation of energy. However, almost nothing is known on the biology of leptin in cattle, in part because of the absence of a valid assay to measure bovine leptin. To remediate this situation, we have developed a radioimmunoassay capable of measuring bovine leptin with a high degree of sensitivity, accuracy and precision. First, we produced recombinant bovine leptin and used it to immunize rabbits, and to prepare bovine leptin trace and standards. A single antiserum with sufficient affinity and titer was identified. Using this antiserum, binding of 125I bovine leptin was displaced in a dose dependent manner by the addition of bovine or ovine leptin. Serial dilution of bovine and ovine plasma gave displacement curves that were parallel to that of bovine or ovine leptin. Recoveries of external addition of bovine leptin in ewe and cow plasma ranged between 94 and 104%. Plasma leptin concentration measured by this assay was increased by the plane of nutrition in growing calves and lambs. Finally, plasma leptin concentration was linearly related to the fat content of the empty carcass in growing cattle. We conclude that circulating leptin in sheep and cattle is increased by fatness and plane of nutrition, consistent with results in humans and rodents. This assay provides an important tool to investigate mechanisms that regulate plasma leptin in cattle and sheep.
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Gebregziabher, Hadush, Amaha Kahsay, Fereweini Gebrearegay, Kidanemaryam Berhe, Alem Gebremariam, and Gebretsadkan Gebremedhin Gebretsadik. Food taboos and their perceived reasons among pregnant women in Ethiopia: A Systematic review, 2022. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, January 2023. http://dx.doi.org/10.37766/inplasy2023.1.0078.

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Review question / Objective: The objective of this systematic review was to synthesize the available evidence on food taboos and their perceived reasons among pregnant women in Ethiopia to posit comprehensive and precise evidence for decision making. The systematic review has addressed the following two questions: What are the various foods considered taboos by pregnant women in Ethiopia? What are the perceived reasons for food taboos by pregnant women in Ethiopia? Condition being studied: Undernutrition among pregnant women has been one of the serious public health challenges in Ethiopia. Food taboos prevent eating certain food items thus compromising one’s dietary diversity and quality which, in turn, would lead to poor health and nutritional outcomes. Evidence shows that food taboos are largely associated with maternal and fetal malnutrition during pregnancy and could have consequences on the mothers and their children later in life. Realizing such associations between food taboos and maternal undernutrition which in turn has fatal consequences, this systematic review synthesized evidence on food taboos and their perceived reasons among pregnant women in Ethiopia.
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Wolfenson, David, William W. Thatcher, Rina Meidan, Charles R. Staples, and Israel Flamenbaum. Hormonal and Nutritional Stretegies to Optimize Reproductive Function and Improve Fertility of Dairy Cattle during Heat Stress in Summer. United States Department of Agriculture, August 1994. http://dx.doi.org/10.32747/1994.7568773.bard.

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The BARD program includes two main parts. In the first, experiments were conducted to complete our understanding of the mechanisms responsible for the impairment of reproductive functions under heat stress. Experiments focused on follicular development and function, since results obtained in our previous BARD project indicate that the preovulatory follicle is susceptible to heat stress. The theca cells, sensitive to thermal stress, produced less androgen during the summer, as well as during the autumn. Similarly, luteinized theca cells obtained from cows in summer produced much less progesterone than in winter. Granulosa cells and luteinized granulosa cells were less susceptible to heat stress. A delayed effect of heat stress on follicular development, on suppression of dominance and on steroid production by theca and granulosa cells was noted. This may be related to the low fertility of cows during the cool months of autumn. In the second part, experiments were conducted aiming to improve fertility in summer. The timed AI program was developed using two injections of GnRH coupled with PGF2a. It was found effective in improving reproductive performance in lactating cows. Limitations induced by heat stress on estrus detection were eliminated with the timed AI management program. Replacing the second injection of GnRH with hCG instead of GnRH agonist increased plasma progesterone levels post ovulation but did not improve fertility. Use of the timed AI program in summer, shortened days open and increased the net revenue per cow, however, it did not protect the embryo fiom temperature-induced embryonic mortality. Incorporation of a GnRH-agonist implant into the timed AJ program was examined. The implant increased plasma progesterone and LH concentrations and altered follicular dynamics. The use of a GnRH-implant enhanced pregnancy rate in cows with low body conditions. In a timed embryo transfer experiment, the use of fresh or frozen in vitro produced embryos was compared in the summer to improve fertility. The use of flesh embryos (but not frozen ones) improved pregnancy rate, however, substantial embryonic death occurred between 21 and 45 days. The timed AI program, which is now being used commercially, shortened days open, and increased pregnancy rate during summer. Other approaches which were found to improve fertility in small-scale studies, need to be tested again in large-scale field trials.
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DiGrande, Laura, Sue Pedrazzani, Elizabeth Kinyara, Melanie Hymes, Shawn Karns, Donna Rhodes, and Alanna Moshfegh. Field Interviewer– Administered Dietary Recalls in Participants’ Homes: A Feasibility Study Using the US Department of Agriculture’s Automated Multiple-Pass Method. RTI Press, May 2021. http://dx.doi.org/10.3768/rtipress.2021.mr.0045.2105.

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Objective: The purpose of this study was to assess the feasibility of administering the Automated Multiple-Pass Method (AMPM), a widely used tool for collecting 24-hour dietary recalls, in participants’ homes by field interviewers. Design: The design included computer-assisted personal interviews led by either a nutritionist (standard) or field interviewer. Portion estimators tested were a set of three-dimensional food models (standard), a two-dimensional food model booklet, or a tablet with digital images rendered via augmented reality. Setting: Residences in central North Carolina. Participants: English-speaking adults. Pregnant women and individuals who were fasting were excluded. Results: Among 133 interviews, most took place in living rooms (52%) or kitchens (22%). Mean interview time was 40 minutes (range 13–90), with no difference by interviewer type or portion estimator, although timing for nutritionist-led interviews declined significantly over the study period. Forty-five percent of participants referenced items from their homes to facilitate recall and portion estimation. Data entry and post-interview coding was evaluated and determined to be consistent with requirements for the National Health and Nutrition Examination Survey. Values for the number of food items consumed, food groups, energy intake (average of 3,011 kcal for men and 2,105 kcal for women), and key nutrients were determined to be plausible and within reasonably expected ranges regardless of interviewer type or portion estimator used. Conclusions: AMPM dietary recall interviews conducted in the home are feasible and may be preferable to clinical administration because of comfort and the opportunity for participants to access home items for recall. AMPMs administered by field interviewers using the food model booklet produced credible nutrition data that was comparable to AMPMs administered by nutritionists. Training field interviewers in dietary recall and conducting home interviews may be sensible choices for nutrition studies when response rates and cost are concerns.
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LI, jianhong, Zhuang LI, Yalin SHE, and Guohua LIN. Assessment of acupuncture for treating herpes zoster:a protocol for an umbrella systematic review and meta analysis. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, April 2022. http://dx.doi.org/10.37766/inplasy2022.4.0010.

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Review question / Objective: Patients who suffer from HZ in line with the consensus of Chinese experts will be included, regardless of sex, race and time of onset . Those who diagnosed with PHN, auto-immune diseases, pregnant women will be excluded.Acupuncture, electroacupuncture, fire needle, skin acupuncture, plum blossom needle, auriculo-acupuncture all these such therapies in treating herpes zoster will be included.The control group’s treatment includes drug therapy (such as antiviral acyclovir nutritional nerve medicine or traditional Chinese medicine, etc.) ,sham acupuncture, placebo, no treatment, and so on except acupuncture therapy. efficacy rate (with reference to the guiding principles of Clinical Research of New drugs in China (trial)).pain evaluation (pain relief time, pain intensity, visual analogue score, VAS), incidence of residual neuralgia PHN.
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Sukenik, Assaf, Paul Roessler, and John Ohlrogge. Biochemical and Physiological Regulation of Lipid Synthesis in Unicellular Algae with Special Emphasis on W-3 Very Long Chain Lipids. United States Department of Agriculture, January 1995. http://dx.doi.org/10.32747/1995.7604932.bard.

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Various unicellular algae produce omega-3 (w3) very-long-chain polyunsaturated fatty acids (VLC-PUFA), which are rarely found in higher plants. In this research and other studies from our laboratories, it has been demonstrated that the marine unicellular alga Nannochloropsis (Eustigmatophyceae) can be used as a reliable and high quality source for the w3 VLC-PUFA eicosapentaenoic acid (EPA). This alga is widely used in mariculture systems as the primary component of the artificial food chain in fish larvae production, mainly due to its high EPA content. Furthermore, w3 fatty acids are essential for humans as dietary supplements and may have therapeutic benefits. The goal of this research proposal was to understand the physiological and biochemical mechanisms which regulate the synthesis and accumulation of glycerolipids enriched with w3 VLC-PUFA in Nannochloropsis. The results of our studies demonstrate various aspects of lipid synthesis and its regulation in the alga: 1. Variations in lipid class composition imposed by various environmental conditions were determined with special emphasis on the relative abundance of the molecular species of triacylglycerol (TAG) and monogalactosyl diacylglycerol (MGDG). 2. The relationships between the cellular content of major glycerolipids (TAG and MGDG) and the enzymes involved in their synthesis were studied. The results suggested the importance of UDP-galactose diacylglycerol galactosyl (UDGT) in regulation of the cellular level of MGDG. In a current effort we have purified UDGT several hundredfold from Nannochloropsis. It is our aim to purify this enzyme to near homogeneity and to produce antibodies against this enzyme in order to provide the tools for elucidation of the biochemical mechanisms that regulate this enzyme and carbon allocation into galactolipids. 3. Our in vitro and in vivo labeling studies indicated the possibility that phosphatidylcholine (PC) and phosphatidylethanolamine (PE) are associated with desaturation of the structural lipids, whereas shorter chain saturated fatty acids are more likely to be incorporated into TAG. 4. Isolation of several putative mutants of Nannochloropsis which appear to have different lipid and fatty acid compositions than the wild type; a mutant of a special importance that is devoid of EPA was fully characterized. In addition, we could demonstrate the feasibility of Nannochloropsis biomass production for aquaculture and human health: 1) We demonstrated in semi-industrial scale the feasibility of mass production of Nannochloropsis biomass in collaboration with the algae plant NBT in Eilat; 2) Nutritional studies verified the importance algal w3 fatty acids for the development of rats and demonstrated that Nannochloropsis biomass fed to pregnant and lactating rats can benefit their offspring.
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