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Journal articles on the topic 'Risk of preterm birth'

Author: Grafiati

Published: 28 May 2022

Last updated: 31 July 2025

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1

Ma, Rui, Yali Luo, Jun Wang, et al. "Ten-year time trends in preterm birth during a sociodemographic transition period: a retrospective cohort study in Shenzhen, China." BMJ Open 10, no. 10 (2020): e037266. http://dx.doi.org/10.1136/bmjopen-2020-037266.

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ObjectivesTo investigate time trends of preterm birth and estimate the contributions of risk factors to the changes in preterm birth rates over a decade (2009–2018) of transitional period in Shenzhen, China.DesignRetrospective cohort study between 2009 and 2018.SettingAll births in Baoan during January 2009 and December 2018 registered in the Shenzhen Birth Registry Database.Participants478 044 live births were included with sociodemographic and medical records for both women and infants.Outcome measuresThe incidence rate of preterm birth stratified by different maternal and infant characteris

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Miao, Huazhang, Hui He, Chuan Nie, Jianbing Ren, and Xianqiong Luo. "Spatiotemporal Characteristics and Risk Factors for All and Severity-Specific Preterm Births in Southern China, 2014-2021: Large Population-Based Study." JMIR Public Health and Surveillance 10 (June 18, 2024): e48815. http://dx.doi.org/10.2196/48815.

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Background The worldwide incidence of preterm births is increasing, and the risks of adverse outcomes for preterm infants significantly increase with shorter gestation, resulting in a substantial socioeconomic burden. Limited epidemiological studies have been conducted in China regarding the incidence and spatiotemporal trends of preterm births. Seasonal variations in risk indicate the presence of possible modifiable factors. Gender influences the risk of preterm birth. Objective This study aims to assess the incidence rates of preterm birth, very preterm birth, and extremely preterm birth; el

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Aktar, Shaki, U. Tin Nu, Monjur Rahman, et al. "Trends and risk of recurrent preterm birth in pregnancy cohorts in rural Bangladesh, 1990–2019." BMJ Global Health 8, no. 11 (2023): e012521. http://dx.doi.org/10.1136/bmjgh-2023-012521.

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IntroductionA history of preterm birth reportedly increases the risk of subsequent preterm birth. This association has primarily been studied in high-income countries and not in low-income settings in transition with rapidly descending preterm birth figures. We evaluated the population-based trends of preterm births and recurrent preterm births and the risk of preterm birth recurrence in the second pregnancy based on prospectively studied pregnancy cohorts over three decades in Matlab, Bangladesh.MethodsA population-based cohort included 72 160 live births from 1990 to 2019. We calculated pret

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Denney, Jeffrey M., Jennifer F. Culhane, and Robert L. Goldenberg. "Prevention of Preterm Birth." Women's Health 4, no. 6 (2008): 625–38. http://dx.doi.org/10.2217/17455057.4.6.625.

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The preterm birth rate in the USA is nearing 13%. The recent rise has been attributed to increased indicated preterm births and multiple births following artificial conceptions. There are few obstetrical interventions that successfully delay or prevent spontaneous preterm birth or reduce the risk factors leading to indicated preterm birth. On the other hand, there are many strategies that have improved outcomes for those infants who are born preterm. These include the use of corticosteroids for fetal maturation and regionalization of perinatal care for high-risk mothers and their infants. Seve

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Dharwad, Farzana Begaum, Romana Khursheed, Roshni Kannan, Anita Dalal, Maryum Khan, and Arif Maldar. "Prevalence of extreme preterm, very and moderate to late preterm births and their association with risk factors – in a South Indian cohort." Indian Journal of Obstetrics and Gynecology Research 12, no. 1 (2025): 119–28. https://doi.org/10.18231/j.ijogr.2025.022.

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Given the exponential rise in preterm births around the globe, this study aims to know prevalence of overall preterm births and among different categories as well as to analyse the risk factors responsible for preterm birth in different categories. This cross-sectional study was conducted in Dr. Prabhakar Kore Charitable Hospital, Belagavi from June 2021 to May 2022. The risk factors were classified into extreme preterm, very preterm and moderate to late preterm. Chi-square test was used to check the dependency between categorical variables. Odds ratio was calculated for knowing the associatio

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Dytrych, G., and D. Sienkiewicz. "Analysis risk factors for preterm births in children under care of the Department of Pediatric Rehabilitation in Bialystok." Progress in Health Sciences 8, no. 2 (2018): 99–104. http://dx.doi.org/10.5604/01.3001.0012.8328.

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Introduction: Preterm birth is the birth of a baby at fewer than 37 weeks' gestational age. Preterm infants are at risk for numerous medical problems including neurological, cardiological, respiratory, and infection. Purpose: To analyse the selected risk factors of preterm births among children under the care of the Department of Pediatric Rehabilitation in Białystok Materials and methods: The retrospective study included 96 preterm children with very low body mass less than 1500 grams. All children lived in the Podlasie region of Poland. We analysed the risk factors for preterm birth based on

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Altman, Molly R., Rebecca J. Baer, and Laura L. Jelliffe-Pawlowski. "Patterns of Preterm Birth among Women of Native Hawaiian and Pacific Islander Descent." American Journal of Perinatology 36, no. 12 (2018): 1256–63. http://dx.doi.org/10.1055/s-0038-1676487.

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Objective To describe the characteristics and risk factors for preterm birth in Hawaiian and Pacific Islander women. Study Design Retrospective cohort study of 10,470 women of Hawaiian or Pacific Islander descent drawn from a population-based birth cohort dataset in California. Variables were examined across preterm birth subtype (spontaneous, provider initiated) and by gestational age grouping (early preterm birth and late preterm birth) and all preterm births. Results Hawaiian/Pacific Islander women were at higher risk for preterm birth when they had fewer than three prenatal visits; were un

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Tith, Rasmi M., Marianne Bilodeau-Bertrand, Ga Eun Lee, Jessica Healy-Profitós, and Nathalie Auger. "Fasting during Ramadan Increases Risk of Very Preterm Birth among Arabic-Speaking Women." Journal of Nutrition 149, no. 10 (2019): 1826–32. http://dx.doi.org/10.1093/jn/nxz126.

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ABSTRACT Background The impact of fasting on risk of preterm birth during Ramadan is unclear. Objectives We evaluated the association between Ramadan fasting during pregnancy and risk of preterm birth for Arab women in Canada. Methods We analyzed birth certificates from 3,123,508 deliveries in Quebec, Canada, from 1981 to 2017. We identified 78,109 births of Arabic-speaking women and determined if Ramadan occurred during any trimester of pregnancy. We calculated rates of extreme (22–27 wk), very (28–31 wk), and late (32–36 wk) preterm birth and estimated RRs and 95% CIs for the association of

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Njau, Grace, Ramona Danielson, Corey Day, and Agricola Odoi. "Predictors of preterm births in North Dakota: a retrospective study of the North Dakota Pregnancy Risk Assessment Monitoring System (PRAMS)." PeerJ 13 (March 17, 2025): e19049. https://doi.org/10.7717/peerj.19049.

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Background Preterm births represent approximately 10% of all births in the United States (US) annually. Although North Dakota (ND) has large rural and American Indian populations that experience disparities in health outcomes relative to the general population, few studies have investigated risk factors of preterm births in this state. Therefore, the objective of this study was to investigate predictors of preterm births in ND among women who had a live singleton birth and no prior history of preterm births. Methods Data on live births from 2017 to 2021 were obtained from the ND Pregnancy Risk

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Al Asadi, Kafi Mohammed Nasir. "Risk Factors Contributed to Preterm Birth." Kufa Journal for Nursing Sciences 3, no. 3 (2013): 157–62. http://dx.doi.org/10.36321/kjns.vi20133.2508.

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Background: Preterm labor is labor that happens too early, before 37 completed weeks of pregnancy. Premature birth is also known as preterm birth (or less than 37 weeks-full term is 40 weeks). Important growth and development occur throughout pregnancy especially in the final months and weeks. Objectives: To assess preterm birth; and to determine risk factors contributed to preterm birth. Methodology: A descriptive study was carried out to identify the maternal risk factors which contribute to occurrence of preterm birth. A purposive sample of one hundred ( 100 ) women at age of (14-37) years,

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Silveira, Mariângela F., Cesar G. Victora, Aluísio J. D. Barros, Iná S. Santos, Alicia Matijasevich, and Fernando C. Barros. "Determinants of preterm birth: Pelotas, Rio Grande do Sul State, Brazil, 2004 birth cohort." Cadernos de Saúde Pública 26, no. 1 (2010): 185–94. http://dx.doi.org/10.1590/s0102-311x2010000100019.

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Prematurity is a leading cause of neonatal mortality and a global health problem that affects high, middle and low-income countries. Several factors may increase the risk of preterm birth. In this article, we test the hypothesis that different risk factors determine preterm birth in different income groups by investigating whether risk factors for preterm deliveries in the 2004 Pelotas (Rio Grande do Sul State, Brazil) birth cohort vary among those groups. A total of 4,142 women were included in the analysis. Preterm births were equally common among women who had spontaneous vaginal deliveries

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Nurhayati, Nurhayati. "Hubungan Preeklamsia Dengan Kejadian Persalinan Preterm di Rumah Sakit Umum Kabupaten Tangerang." Quality : Jurnal Kesehatan 12, no. 2 (2018): 1–4. http://dx.doi.org/10.36082/qjk.v12i2.38.

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The incidence of preterm birth in developing countries is (5% -7%) per 1000 live births and the prevalence of preterm births in Indonesia is (18.5%). Preeclampsia is one of the causes of high maternal and fetal morbidity and mortality rates in Indonesia. Preeclampsia generally occurs after 20 weeks of pregnancy. Objective: To determine the relationship of preeclampsia to the incidence of preterm labor and other factors affecting preterm birth. Method: An observational study with a case control design at the Tangerang General Hospital. The total cases were 90 people (mothers gave birth to a sin

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Lahti, M., J. G. Eriksson, K. Heinonen, et al. "Late preterm birth, post-term birth, and abnormal fetal growth as risk factors for severe mental disorders from early to late adulthood." Psychological Medicine 45, no. 5 (2014): 985–99. http://dx.doi.org/10.1017/s0033291714001998.

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Background.Late preterm births constitute the majority of preterm births. However, most evidence suggesting that preterm birth predicts the risk of mental disorders comes from studies on earlier preterm births. We examined if late preterm birth predicts the risks of severe mental disorders from early to late adulthood. We also studied whether adulthood mental disorders are associated with post-term birth or with being born small (SGA) or large (LGA) for gestational age, which have been previously associated with psychopathology risk in younger ages.Method.Of 12 597 Helsinki Birth Cohort Study

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Mauldin, Jull G., and Roger B. Newman. "Preterm birth risk assessment." Seminars in Perinatology 25, no. 4 (2001): 215–22. http://dx.doi.org/10.1053/sper.2001.26419.

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Barreto, Alejandra, Brielle Formanowski, Michelle-Marie Peña, et al. "Preterm Birth Risk and Maternal Nativity, Ethnicity, and Race." JAMA Network Open 7, no. 3 (2024): e243194. http://dx.doi.org/10.1001/jamanetworkopen.2024.3194.

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ImportanceImmigrant birthing people have lower rates of preterm birth compared with their US-born counterparts. This advantage and associated racial and ethnic disparities across the gestational age spectrum have not been examined nationally.ObjectiveTo examine associations of maternal nativity, ethnicity, and race with preterm birth.Design, Setting, and ParticipantsThis cohort study used birth certificates from the National Vital Statistics System to analyze in-hospital liveborn singleton births in the US between January 1, 2009, and December 31, 2018. Data were analyzed from January to June

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Waynforth, David. "Identifying Risk Factors for Premature Birth in the UK Millennium Cohort Using a Random Forest Decision-Tree Approach." Reproductive Medicine 3, no. 4 (2022): 320–33. http://dx.doi.org/10.3390/reprodmed3040025.

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Prior research on causes of preterm birth has tended to focus on pathophysiological processes while acknowledging the role of socioeconomic indicators. The present research explored a wide range of factors plausibly associated with preterm birth informed by pathophysiological and evolutionary life history perspectives on gestation length. To achieve this, a machine learning ensemble classification data analysis approach, random forest (RF), was applied to the UK Millennium Cohort (18,201 births). The results highlighted the importance of socioeconomic variables and parental age in predicting p

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Aragão, Vânia Maria de Farias, Antônio Augusto Moura da Silva, Lívia Farias de Aragão, et al. "Risk factors for preterm births in São Luís, Maranhão, Brazil." Cadernos de Saúde Pública 20, no. 1 (2004): 57–63. http://dx.doi.org/10.1590/s0102-311x2004000100019.

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Preterm birth continues to be one of the main causes of neonatal morbidity and mortality. The objective of the present study was to identify risk factors for preterm birth in São Luís, Maranhão, Brazil. The sample consisted of hospital births at 10 public and private hospitals from March 1, 1997 to February 28, 1998. A total of 2,443 live births were randomly selected, excluding multiple deliveries and stillbirths. Preterm birth rate in São Luís was 12.7%. Risk factors for preterm delivery were maternal age below 18 years, family income equal to or less than one minimum wage/ month, primiparit

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Valgeirsdottir, Heiddis, Inger Sundström Poromaa, Theodora Kunovac Kallak, et al. "Polycystic ovary syndrome and extremely preterm birth: A nationwide register-based study." PLOS ONE 16, no. 2 (2021): e0246743. http://dx.doi.org/10.1371/journal.pone.0246743.

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Introduction Women with polycystic ovary syndrome (PCOS) have increased risk of pregnancy complications, including preterm birth before 37 weeks. However, if this increased risk also includes extremely preterm births (<28 weeks) is unknown. Such information is important to identify women at risk and tailor antenatal care, since child morbidity and mortality become more prevalent with increasing prematurity. Aims To investigate the association between PCOS and extremely preterm birth, and whether onset of PCOS-related preterm birth is predominantly spontaneous or medically indicated. Materia

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Gulersen, Moti, Erez Lenchner, Alisha Goyal, Amos Grunebaum, Frank A. Chervenak, and Eran Bornstein. "Maternal Morbidity Associated with Early Preterm Birth in Low-Risk Singleton Pregnancies." Journal of Clinical Medicine 13, no. 23 (2024): 7061. http://dx.doi.org/10.3390/jcm13237061.

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Background/Objectives: While neonatal morbidities associated with early preterm birth are known, the risks of maternal morbidities in these births remain unclear. Thus, we set out to assess the risk of maternal morbidities associated with early preterm births. Methods: Retrospective cohort study utilizing the United States (US) Natality Live Birth database from the Centers for Disease Control and Prevention (2016–2021). Low-risk singleton pregnancies were included. High-risk conditions such as out-of-hospital births, fetal anomalies, pregestational and gestational diabetes, and hypertensive di

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Rohlfing, Anne B., Gregory Nah, Kelli K. Ryckman, et al. "Maternal cardiovascular disease risk factors as predictors of preterm birth in California: a case–control study." BMJ Open 10, no. 6 (2020): e034145. http://dx.doi.org/10.1136/bmjopen-2019-034145.

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ObjectiveTo determine whether maternal cardiovascular disease (CVD) risk factors predict preterm birth.DesignCase control.SettingCalifornia hospitals.Participants868 mothers with linked demographic information and biospecimens who delivered singleton births from July 2009 to December 2010.MethodsLogistic regression analysis was employed to calculate odds ratios for the associations between maternal CVD risk factors before and during pregnancy (including diabetes, hypertensive disorders and cholesterol levels) and preterm birth outcomes.Primary outcomePreterm delivery status.ResultsAdjusting fo

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Purbandari, Rosalia, and Suheni Ninik Hariyati. "MicroRNAs obtained from cervical swabs in predicting preterm birth." Majalah Obstetri & Ginekologi 32, no. 3 (2024): 207–13. http://dx.doi.org/10.20473/mog.v32i32024.207-213.

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HIGHLIGHTS Increased expression of certain miRNAs in women experiencing preterm birth could be linked to various molecular pathways which contributes to preterm birth. miRNAs obtained from cervical swabs exhibit statistically significant difference in expression between women with term births and preterm births. ABSTRACT Objective: Identifying the risk of preterm birth is crucial for early intervention. miRNAs, small noncoding RNAs that regulate gene expression, play a key role in development and tissue maintenance. Under stress conditions, their regulatory functions become significant, linkin

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Marti, Daniela Teodora, Felix Bratosin, Ovidiu Rosca, et al. "Impact of Genital Infections and Antibiotic Use on Incidence of Preterm Birth: A Retrospective Observational Study." Antibiotics 13, no. 3 (2024): 240. http://dx.doi.org/10.3390/antibiotics13030240.

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This study investigates the complex interplay among genital infections, antibiotic usage, and preterm birth. This study aims to identify common genital pathogens associated with preterm births, assess the impact of various antibiotic treatments on pregnancy outcomes, and understand antibiotic resistance patterns among these pathogens. This study included 71 pregnant women who experienced preterm birth and 94 women with genital infections who delivered at term. Various maternal characteristics, medical history, signs and symptoms, gestational weight, gestational age, type of birth, vaginal pH,

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Ansu, Velarie, and Ka He. "Previous preterm birth and the risk of recurrent preterm birth." American Journal of Clinical Nutrition 105, no. 4 (2017): 1010.1–1010. http://dx.doi.org/10.3945/ajcn.116.149674.

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MacDorman, Marian F., Marie Thoma, Eugene Declercq, and Elizabeth A. Howell. "The relationship between obstetrical interventions and the increase in U.S. preterm births, 2014-2019." PLOS ONE 17, no. 3 (2022): e0265146. http://dx.doi.org/10.1371/journal.pone.0265146.

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We examined the relationship between obstetrical intervention and preterm birth in the United States between 2014 and 2019. This observational study analyzed 2014–2019 US birth data to assess changes in preterm birth, cesarean delivery, induction of labor, and associated risks. Logistic regression modeled the odds of preterm obstetrical intervention (no labor cesarean or induction) after risk adjustment. The percentage of singleton preterm births in the United States increased by 9.4% from 2014–2019. The percent of singleton, preterm births delivered by cesarean increased by 6.0%, while the pe

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Kannaujiya, Ajit Kumar, Kaushalendra Kumar, Ashish Kumar Upadhyay, et al. "Effect of preterm birth on early neonatal, late neonatal, and postneonatal mortality in India." PLOS Global Public Health 2, no. 6 (2022): e0000205. http://dx.doi.org/10.1371/journal.pgph.0000205.

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Despite India having a high burden of infant deaths and preterm birth, there is a clear lack of studies documenting association between preterm birth and infant mortality in India. Additionally, existing studies have failed to account for unobserved heterogeneity while linking preterm birth with infant mortality. Hence, the present study examines association of preterm birth with early neonatal death (ENND), late neonatal death (LNND), and postneonatal death (PNND) in India. We used the reproductive calendar canvassed in the cross-sectional National Family Health Survey 2015–16 (NFHS-4) to ide

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Gilani, Syed Imran, Aiman Niaz, and Saira Afridi. "Maternal periodontitis as a risk factor for preterm birth: A cross-sectional study." Journal of Dental Research, Dental Clinics, Dental Prospects 18, no. 1 (2024): 72–76. http://dx.doi.org/10.34172/joddd.40860.

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<strong data-sider-select-id="9f0bb510-5a36-4652-b9ac-106dbfd1b526">Background. Preterm birth is a heterogeneous condition with multiple underlying causes, and periodontal diseases are one of them. Approximately 900000 preterm births are reported in Pakistan each year. Oral infections such as periodontitis during pregnancy are associated with adverse pregnancy outcomes such as low birth weight and preterm births. However, different studies have reported contradictory findings. We conducted a cross-sectional study to assess the association of preterm birth with oral infection in pregnancy

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Velishetty, Navya, and Janaki Vellanki. "A study on preterm births and neonatal outcomes during second wave of COVID-19." Indian Journal of Obstetrics and Gynecology Research 9, no. 1 (2022): 6–9. http://dx.doi.org/10.18231/j.ijogr.2022.002.

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: Pregnant women were considered as high risk group for COVID-19 disease. Occurrence of SARS-Co V 2 infection during pregnancy increased risk of adverse birth outcomes, including preterm births but the evidence for the same is limited.: To study the preterm and very preterm births and their neonatal outcomes in mothers infected with COVID-19 during the second wave of pandemic. 1.To study the preterm and very preterm births in COVID-19 pregnant women during the second wave. 2. To determine whether any additional risk is conferred by maternal pre existing medical conditions including chronic and

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Ojha, Neebha. "Maternal Factors for Low Birth Weight and Preterm Birth At Tertiary Care Hospital." Journal of Nepal Medical Association 53, no. 200 (2015): 250–55. http://dx.doi.org/10.31729/jnma.2740.

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Introduction: Low birth weight and preterm birth are the major community health problems in developing countries. They are the major determinants of perinatal survival and infant morbidity and mortality. The aim of this study was to determine the proportion and the maternal risk factors for low birth weight and preterm birth among hospital deliveries in Tribhuvan University Teaching Hospital. Methods: A cross sectional retrospective study was carried out in the Department of Obstetrics and Gynecology of TUTH. Maternal risk factors like age, parity, ethnicity, history of previous abortion

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Hassan, Ikrama, Surajudeen Bello, Michael Anazodo, and Abdulmumuni Ahmed Lawal. "Burden and risk factors of preterm birth in Nasarawa State, North Central, Nigeria: A five-year case review." Journal of Medical Research 7, no. 2 (2021): 36–41. http://dx.doi.org/10.31254/jmr.2021.7203.

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Background: Preterm birth has been on the increase globally and accounting for morbidities and mortalities. Preterm delivery referred to the birth of a newborn prior to thirty seven completed gestational weeks. There is dearth of knowledge on the burden of preterm birth in this state. This study therefore determined the burden of preterm deliveries in Nasarawa State, evaluate the risk factors and identify the outcome of such deliveries. Methods: A descriptive cross-sectional study of all preterm delivered from the 1st of January 2014 to the 31st of December 2013 at the Dalhatu Araf Specialist

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Hosozawa, Mariko, Noriko Cable, Satoyo Ikehara, et al. "Maternal Autistic Traits and Adverse Birth Outcomes." JAMA Network Open 7, no. 1 (2024): e2352809. http://dx.doi.org/10.1001/jamanetworkopen.2023.52809.

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ImportanceWomen with a high level of autistic traits in the general population may experience larger health disparities during pregnancy, particularly women diagnosed with autism spectrum disorder (ASD), which in turn may be associated with increased risk of adverse birth outcomes.ObjectiveTo investigate the association between maternal autistic traits and the risk of adverse birth outcomes in the general population.Design, Setting, and ParticipantsThis cohort study included mothers of singletons from a nationwide, multicenter prospective birth cohort, the Japan Environmental Children’s Study.

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Houston-Ludlam, Alexandra Noel, Alison G. Cahill, Kathleen K. Bucholz, and Andrew C. Heath. "3049 Prenatal care as a protective factor for preterm birth and smoking during pregnancy in nulliparous patients: a propensity score analysis." Journal of Clinical and Translational Science 3, s1 (2019): 51. http://dx.doi.org/10.1017/cts.2019.122.

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OBJECTIVES/SPECIFIC AIMS: Preterm birth rates have been rising in the United States, and reducing preterm birth is a high-priority clinical and public health concern. There are no existing strategies to reduce preterm birth in nulliparous individuals. The present study aims to evaluate prenatal care as a protective factor for preterm birth in this population. METHODS/STUDY POPULATION: Missouri birth record data for child birth years 1993-2016 were used to create a sample of 325,088 singleton births to nulliparous women, themselves born in MO 1975-1985. Logistic regressions, stratified by mater

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Mihaylova, Anna, Nikoleta Parahuleva, Elina Petkova-Gueorguieva, and Stanislav Gueorguiev. "EPIDEMIOLOGY AND RISK FACTORS FOR PREMATURE BIRTH." Knowledge International Journal 28, no. 2 (2018): 629–36. http://dx.doi.org/10.35120/kij2802629m.

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Premature birth is a significant medical, social and economic problem worldwide. In the 21st Century in developed countries, this problem accounts for over two thirds of neonatal deaths. In Bulgaria, statistics show that 10-12% of all pregnancies end with premature birth. Despite the number of studies in this field and the efforts made by obstetricians and gynecologists, the tendency to increase the number of preterm births has continued in the last decade. Its consequences are multiple complications who lead to a high neonatal mortality in the national and global world. Preterm birth is chara

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Waltengus Sendeku, Fikadu, Fentahun Yenealem Beyene, Azimeraw Arega Tesfu, Simachew Animen Bante, and Getnet Gedefaw Azeze. "Preterm birth and its associated factors in Ethiopia: a systematic review and meta- analysis." African Health Sciences 21, no. 3 (2021): 1321–33. http://dx.doi.org/10.4314/ahs.v21i3.43.

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Background: Preterm birth is a public health concern globally. In low- and middle-income countries, like Ethiopia, preterm birth is under reported and underestimated. Therefore, this systematic review and meta-analysis assessed the pooled preva- lence and associated risk factors for preterm birth in Ethiopia. Methods: In this review the databases used were PubMed, Google scholar, EMBASE, HINARI and African journal online. Publication bias was checked using a funnel plot and Eggers test. Results: A total of 30 studies were included in this systematic review and meta-analysis. The ov

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Layden, Alexander J., and Janet Catov. "4536 Identification of the most salient risk factors of preterm birth in the US using geospatial mapping." Journal of Clinical and Translational Science 4, s1 (2020): 31–32. http://dx.doi.org/10.1017/cts.2020.131.

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OBJECTIVES/GOALS: Preterm birth is the most common birth complication in the United States. To date, there are no effective public health strategies to reduce the burden of prematurity. Using geospatial information system (GIS) mapping, we identified the most salient risk factors of preterm birth across US counties targetable for future interventions. METHODS/STUDY POPULATION: Risk factors of preterm birth were identified from the perinatal health nonprofit organization, March of Dimes, and included factors such as obesity, smoking, insurance coverage and poverty. US 2013 county-level data on

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Díaz-Rodríguez, Agustín, Leandro Feliz-Matos, and Carlos Bienvenido Ruiz Matuk. "Risk factors associated with preterm birth in the Dominican Republic: a case-control study." BMJ Open 11, no. 12 (2021): e045399. http://dx.doi.org/10.1136/bmjopen-2020-045399.

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ObjectivesThis study aimed to identify the risk factors associated with preterm birth, and to determine the prevalence of preterm births in the Dominican Republic.DesignCase-control study.SettingsSeven National Reference Hospitals from different regions of the Dominican Republic.ParticipantsA probabilistic sampling of both cases and controls was performed with a ratio of 2.92:1, and a power analysis was performed with α=0.05, P1=0.5, P2=0.6, and β=0.08, to yield a distribution of 394 cases and 1150 controls. Estimation of gestational age was based on neonatologist reports.Primary outcome measu

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Jamal, Shehla, and Ruchi Srivastava. "A retrospective analytical study of the epidemiology and causes of preterm birth." International Journal of Reproduction, Contraception, Obstetrics and Gynecology 6, no. 12 (2017): 5453. http://dx.doi.org/10.18203/2320-1770.ijrcog20175259.

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Background: Preterm birth is the leading cause of perinatal morbidity and mortality. The incidence of preterm birth in India is 7-9%, and the rates are constantly rising. The main cited reasons for this trend are increasing indicated preterm births and rising rates of artificially conceived pregnancies. Major causes for indicated preterm births are hypertensive disorders of pregnancy, foetal growth restriction, antepartum haemorrhage and PPROM. Risk factors for spontaneous preterm birth include obstetrical complications like multifetal gestation, malpresentations and infections, poor antenatal

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Moore, Emily, Sonya Scott, Jeeva John, Clara Calvert, Rachael Wood, and Sarah J. Stock. "Trends in gestational age at live birth in Scotland from 2005 to 2019: a population-based study." Wellcome Open Research 9 (October 9, 2024): 254. http://dx.doi.org/10.12688/wellcomeopenres.20916.2.

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Background Gestation at birth is associated with short and long-term outcomes. This study used high quality, national, administrative data to examine trends in gestation at birth in Scotland. Methods This observational study used maternity hospital discharge records for 2005 to 2019 to determine trends in the percentage of live births that were preterm (<37 weeks gestation), term (37–41 weeks), and post-term (≥42 weeks), overall and by maternal age and deprivation category. Preterm births were further examined by category of preterm birth (moderate to late [32–36 weeks]; very [28–31 weeks];

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Moore, Emily, Sonya Scott, Jeeva John, Clara Calvert, Rachael Wood, and Sarah J. Stock. "Trends in gestational age at live birth in Scotland from 2005 to 2019: a population-based study." Wellcome Open Research 9 (May 15, 2024): 254. http://dx.doi.org/10.12688/wellcomeopenres.20916.1.

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Background Gestation at birth is associated with short and long-term outcomes. This study used high quality, national, administrative data to examine trends in gestation at birth in Scotland. Methods This observational study used maternity hospital discharge records for 2005 to 2019 to determine trends in the percentage of live births that were preterm (<37 weeks gestation), term (37–41 weeks), and post-term (≥42 weeks), overall and by maternal age and deprivation category. Preterm births were further examined by category of preterm birth (moderate to late [32–36 weeks]; very [28–31 weeks];

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Rosa, Maria Inês da, Patrícia Duarte Simões Pires, Lidia Rosi Medeiros, Maria Isabel Edelweiss, and Jeovany Martínez-Mesa. "Periodontal disease treatment and risk of preterm birth: a systematic review and meta-analysis." Cadernos de Saúde Pública 28, no. 10 (2012): 1823–33. http://dx.doi.org/10.1590/s0102-311x2012001000002.

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The events leading to preterm birth are still not completely understood. A quantitative systematic review was performed to estimate the effects of periodontal care during pregnancy on preventing preterm birth and low birth weight. The meta-analysis included randomized trials with pregnant women with a diagnosis of periodontal disease before 20 weeks of gestation. Relative risk (RR) with 95% confidence intervals (95%CI) was calculated. We evaluated the reduction in preterm and low birth weight. Thirteen trials were included, comparing 3,576 women in intervention groups with 3,412 women receivin

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Jančar, Nina, Barbara Mihevc Ponikvar, Sonja Tomšič, Eda Vrtačnik Bokal, and Sara Korošec. "Is IVF/ICSI an Independent Risk Factor for Spontaneous Preterm Birth in Singletons? A Population-Based Cohort Study." BioMed Research International 2018 (December 30, 2018): 1–8. http://dx.doi.org/10.1155/2018/7124362.

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The aim of our study was to explore the risk factors for very preterm (gestation under 32 weeks) and moderate preterm birth (gestation weeks 32-36 6/7) in singleton pregnancies in a national retrospective cohort study. We also wanted to establish whether IVF/ICSI is an independent risk factor for preterm birth after adjusting for already known confounders. We used data for 267 718 singleton births from 2002-2015 from the National Perinatal Information System of Slovenia, containing data on woman, pregnancy, birth, the postpartum period, and the neonate for each mother–infant pair. Mode of conc

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Gladstone, Rachel A., Sumaiya Ahmed, Ella Huszti, et al. "Midpregnancy Placental Growth Factor Screening and Early Preterm Birth." JAMA Network Open 7, no. 11 (2024): e2444454. http://dx.doi.org/10.1001/jamanetworkopen.2024.44454.

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ImportanceEarly preterm birth (ie, at less than 34 weeks’ gestation) confers a high risk for adverse health outcomes, yet no universal screening strategy exists, preventing targeted delivery of effective interventions.ObjectiveTo evaluate the ability of midpregnancy placental growth factor (PlGF) screening to identify pregnancies at highest risk for early preterm birth.Design, Setting, and ParticipantsThis prospective cohort study was conducted at an urban, tertiary care center from 2020 to 2023. Participants were unselected, pregnant people with singleton pregnancies, receiving universal-acce

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Tesema, Getayeneh Antehunegn, Achamyeleh Birhanu Teshale, Yigizie Yeshaw, Dessie Abebaw Angaw, and Ayenew Lakew Molla. "Assessing the effects of duration of birth interval on adverse pregnancy outcomes in sub-Saharan Africa: a propensity score-matched analysis." BMJ Open 13, no. 4 (2023): e062149. http://dx.doi.org/10.1136/bmjopen-2022-062149.

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ObjectivesUnlike high-income countries, sub-Saharan African countries have the highest burden of adverse pregnancy outcomes such as abortion, stillbirth, low birth weight and preterm births. The WHO set optimal birth spacing as a key strategy to improve pregnancy outcomes. Estimating the impact of short and long birth intervals on adverse pregnancy outcomes based on an observational study like the Demographic and Health Survey (DHS) is prone to selection bias. Therefore, we used the propensity score-matched (PSM) analysis to estimate the actual impact of short and long birth intervals on adver

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de Klerk, Nadine D., Ivar R. de Vries, Phebe B. Q. Berben, et al. "Seasonal pattern of preterm birth in the Netherlands: A population-based retrospective cohort study." PLOS One 20, no. 5 (2025): e0324873. https://doi.org/10.1371/journal.pone.0324873.

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Background Prior research has demonstrated the impact of environmental influences, including seasonal patterns, as determinants of preterm birth, although relationships vary. This study aims to determine whether there is an association between month of conception and preterm birth or gestational age at birth in the Netherlands. Methods This was a population-based retrospective cohort study with data collected between 2015–2019. Data originated from the national perinatal registry in The Netherlands, of which 828,574 deliveries were included. Relationships between month of conception and birth

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Joshua, Omach. "Prevalence and risk factors of Preterm Births in Northern Uganda: A Hospital-Based Study at Lira Regional Referral Hospital." IDOSR JOURNAL OF EXPERIMENTAL SCIENCES 10, no. 3 (2024): 39–62. http://dx.doi.org/10.59298/idosr/jes/103.39.62.

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This study aimed to assess the prevalence, proportions of early and late preterm births, and factors associated with preterm births among women delivering at Lira Regional Referral Hospital in Northern Uganda. It was a hospitalbased cross-sectional observational and analytic study involving 382 women and their babies, with data collected via questionnaires and analyzed using STATA software version 14.0. Univariate analysis, as well as bivariate and multivariate logistic regression, were conducted to identify factors associated with preterm birth. The mean age of participants was 25.22 years, r

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Wu, Wilfred, Erin A. S. Clark, Tracy A. Manuck, M. Sean Esplin, Michael W. Varner, and Lynn B. Jorde. "A Genome-Wide Association Study of spontaneous preterm birth in a European population." F1000Research 2 (November 25, 2013): 255. http://dx.doi.org/10.12688/f1000research.2-255.v1.

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Background: Preterm birth is defined as a birth prior to 37 completed weeks’ gestation. It affects more than 10% of all births worldwide, and is the leading cause of neonatal mortality in non-anomalous newborns. Even if the preterm newborn survives, there is an increased risk of lifelong morbidity. Despite the magnitude of this public health problem, the etiology of spontaneous preterm birth is not well understood. Previous studies suggest that genetics is an important contributing factor. We therefore employed a genome-wide association approach to explore possible fetal genetic variants that

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Omar, Abdifetah Ibrahim, Amina Dahir Mohamed, Mohamed Garad Farah, et al. "Maternal Risk Factors Associated with Preterm Births among Pregnant Women in Mogadishu, Somalia." Children 9, no. 10 (2022): 1518. http://dx.doi.org/10.3390/children9101518.

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Background: Premature birth impacts millions of newborns annually. Sixty percent of the world’s preterm births occur in Sub-Saharan Africa and South Asia. Somalia’s premature birth rates and maternal risk factors are poorly studied; hence, this study aims to identify maternal risk factors related to premature births in Mogadishu, Somalia. Methods: This unmatched case-control study was conducted at four maternity hospitals in Mogadishu, Somalia. The cases were newborns with gestational ages of less than 37 weeks; controls were newborns with gestational ages of 37 to 42 weeks. All were live sing

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Riley, Carley, Brita Roy, Jeph Herrin, et al. "Do pregnant women living in higher well-being populations in the USA experience lower risk of preterm delivery? A cross-sectional study." BMJ Open 9, no. 4 (2019): e024143. http://dx.doi.org/10.1136/bmjopen-2018-024143.

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ObjectiveTo determine if preterm birth, defined as gestational age <37 weeks, is lower for women living in counties with higher well-being, after accounting for known individual risk factors.DesignCross-sectional study of all US births in 2011.ParticipantsWe obtained birth data from the National Center for Health Statistics which included 3 938 985 individuals.Main outcomes measuresPrimary outcome measure was maternal risk of preterm delivery by county; primary independent variable was county-level well-being as measured by the Gallup-Sharecare Well-Being Index (WBI).ResultsWomen living in

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Klebanoff, Mark A., Olav Meirik, and Heinz W. Berendes. "Second-Generation Consequences of Small-for-Dates Birth." Pediatrics 84, no. 2 (1989): 343–47. http://dx.doi.org/10.1542/peds.84.2.343.

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This is the first reported study of birth outcomes of a group of women whose own birth weights and gestational ages had been previously recorded. Births occurring from 1972 to 1983 among 1154 Swedish women, born from 1955 to 1965, were studied. Women who were themselves small for gestational age (SGA) at birth were at increased risk of giving birth to a SGA infant (odds ratio = 2.21, 95% confidence interval = 1.41, 3.48). Women who had been SGA had an even greater increase in risk of giving birth to a preterm infant (odds ratio = 2.96, 95% confidence interval = 1.47, 5.94). Women who were pret

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Remneva, O. V., O. V. Kolyado, and N. M. Hovalyg. "RISK FACTORS OF PRETERM BIRTH." Transbaikalian Medical Bulletin, no. 2 (2020): 115–25. http://dx.doi.org/10.52485/19986173_2020_2_115.

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Sutherland, Megan R., Mariane Bertagnolli, Marie-Amélie Lukaszewski, et al. "Preterm Birth and Hypertension Risk." Hypertension 63, no. 1 (2014): 12–18. http://dx.doi.org/10.1161/hypertensionaha.113.01276.

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