Littérature scientifique sur le sujet « Ovulatory Phase »

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Articles de revues sur le sujet "Ovulatory Phase"

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Biswas, Maharaj, and Anirban Ghosh. "ESTROGEN LOWERS HEART RATE IN PRE-OVULATORY PHASE OF MENSTRUAL CYCLE IN WOMEN." International Journal of Advanced Research 12, no. 03 (2024): 935–42. http://dx.doi.org/10.21474/ijar01/18476.

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Hormonal fluctuation in various phases of menstrual cycle may be an important regulatory factor of heart rate. Based on this proposition, an observational study was conducted in 81 women with normal reproductive health to find out the changes of heart rate in the pre-ovulatory (10-13th day of menstrual cycle) and post-ovulatory phases of menstrual cycle. Data were analyzed using Pearson correlation and paired t-test. The test for correlation coefficient using t-statistics showed that the changes of heart rate between pre-ovulatory and post-ovulatory phases was statistically significant (r= 0.7
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Krug, R., M. Mölle, H. L. Fehm, and J. Born. "Variations Across the Menstrual Cycle in EEG Activity During Thinking and Mental Relaxation." Journal of Psychophysiology 13, no. 3 (1999): 163–72. http://dx.doi.org/10.1027//0269-8803.13.3.163.

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Abstract Previous studies have indicated: (1) peak performance on tests of divergent creative thinking during the ovulatory phase of the menstrual cycle; (2) compared to convergent analytical thinking, divergent thinking was found to be associated with a distinctly increased dimensional complexity of ongoing EEG activity. Based on these findings, we hypothesized that cortical information processing during the ovulatory phase is characterized by an increased EEG dimensionality. Each of 16 women was tested on 3 occasions: during the ovulatory phase, the luteal phase, and menses. Presence of the
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Naderi, Borna, Lauren Yee, Sonia Shirin, et al. "Ovulatory and anovulatory cycle phase influences on QT interval dynamics during the menstrual cycle." PLOS One 20, no. 5 (2025): e0320846. https://doi.org/10.1371/journal.pone.0320846.

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Background Ovarian hormones affect cardiovascular health yet few sufficient-sized studies with reliable ovulatory documentation have assessed the QTc-hormonal relationship. This study investigated QTc changes across ovulatory and anovulatory menstrual cycle phases. Methods This prospective cohort investigation, a cardiac sub-study of the Menstruation and Ovulation Study 2 (MOS2), involved 62 healthy, regularly menstruating community-dwelling women during spontaneous menstrual cycles. Electrocardiographic recordings were obtained within-woman during different cycle phases: mid-follicular for al
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Sonya, Arshad, Nisar Muhammad, and Hiba Hashmi Syeda. "Measure the symptoms related to Pre-Menstrual Syndrome among married and unmarried females during their reproductive life span." International Journal of Endorsing Health Science Research 5, no. 2 (2017): 45–51. https://doi.org/10.29052/IJEHSR.v5.i2.2017.45-51.

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Abstract <strong>Objective:&nbsp;</strong>The study was aimed to estimate premenstrual syndrome and its consequent symptoms in married and unmarried females during menstrual phase, pre-ovulatory phase and post-ovulatory phase.&nbsp;<strong>Methodology:&nbsp;</strong>A cross sectional survey based study has been conducted in young females of 25-35 age groups. Participants were divided into two groups. Group A were with PMS and group B were healthy subjects. The evaluation of manifestations in all three phases was gathered by using PRISM calendar. The data was collected and stored and analyzed b
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Thoroddsen, Asgeir, Pernilla Dahm-Kähler, Anna Karin Lind, et al. "The Water Permeability Channels Aquaporins 1–4 Are Differentially Expressed in Granulosa and Theca Cells of the Preovulatory Follicle during Precise Stages of Human Ovulation." Journal of Clinical Endocrinology & Metabolism 96, no. 4 (2011): 1021–28. http://dx.doi.org/10.1210/jc.2010-2545.

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Abstract Context: Changes in vascular permeability and expansion of the fluid-filled antrum are major events in the LH-induced ovulatory process. Objectives: Our objective was to investigate the presence and expression levels of aquaporins (AQPs) in the granulosa and theca cell compartments of the follicle during defined phases of human ovulation. Design and Setting: We conducted a prospective experimental study at the Department of Obstetrics and Gynaecology at a university hospital. Participants: Twenty-eight women underwent laparoscopic sterilization and at the same time follicle retrieval
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Kaneko, H., T. Terada, K. Taya, et al. "Ovarian follicular dynamics and concentrations of oestradiol-17 beta, progesterone, luteinizing hormone and follicle stimulating hormone during the periovulatory phase of the oestrous cycle in the cow." Reproduction, Fertility and Development 3, no. 5 (1991): 529. http://dx.doi.org/10.1071/rd9910529.

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Changes in the plasma concentration of oestradiol-17 beta, progesterone, luteinizing hormone (LH) and follicle stimulating hormone (FSH) were characterized during the transition from the luteal to the follicular phase, the periovulatory period and the early luteal phase in five cycling cows. The pattern of growth and the regression of follicles and corpora lutea in the ovary of the same animals were also assessed by daily ultrasonographic examinations. Two waves of follicular growth (ovulatory and non-ovulatory) occurred in all animals. The ovulatory follicular wave started from 4 days before
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Dauda, Y. "Estrous Cycle of Induced Ovulators: Lesson From The Camel — A Review." Journal of Veterinary and Biomedical Sciences 1, no. 2 (2018): 108–25. http://dx.doi.org/10.36108/jvbs/8102.10.0221.

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Camel, rabbit, cat, ferrets, minks, koala and meadow moles are induced ovulators requiring copulation to trigger the ovulatory process and the estrous cycle differs from that of other domestic animals. The estrous cycle in these animals composed of follicular recruitment, follicular growth, follicular maturity and follicular regression phase. These animals are variously reared as companion, fur-bearing and meat animals. Among these, the camel is the most valuable and classical induced ovulator which is rear not only for milk and meat, but as work animal and contributes effectively to the welfa
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Paradisi, Roberto, Gabriele Grossi, Stefano Venturoli, et al. "Evidence for a physiological reduction in brain dopamine but not norepinephrine metabolism during the preovulatory phase in normal women." Acta Endocrinologica 116, no. 2 (1987): 293–98. http://dx.doi.org/10.1530/acta.0.1160293.

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Abstract. To investigate the role of brain catecholamine (CA) activity in the mechanisms related to physiological ovulatory function, we used high-performance liquid chromatography with electrochemical detector to measure the levels of urinary dopamine (DA), norepinephrine (NE), epinephrine (E), vanillylmandelic acid (VMA), homovanillic acid (HVA), 3,4-dihydroxyphenylacetic acid (DOPAC), and total 3-methoxy-4-hydroxy-phenylglycol (MHPG) in a group of 12 normal women during both the early follicular and pre-ovulatory phases of the menstrual cycle. The mean (± sem) concentrations of HVA and DOPA
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Wood, Mary, Sonia Shirin, Azita Goshtasebi, and Jerilynn C. Prior. "Breast tenderness and swelling experiences related to menstrual cycles and ovulation in healthy premenopausal women: Secondary analysis of the 1-year “Prospective Ovulation Cohort”." PLOS One 20, no. 5 (2025): e0321205. https://doi.org/10.1371/journal.pone.0321205.

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Breast tenderness and swelling are associated with premenstrual symptoms but are not well described in healthy women. In this 1-year prospective observational study, we examined daily breast tenderness and swelling to determine whether differences existed between normally ovulatory and ovulatory disturbed (short luteal phase and anovulatory) cycles in a cohort of community dwelling, non-smoking, healthy premenopausal women. Enrolment required two consecutive normal-length and normally ovulatory cycles by Quantitative Basal Temperature© analysis. Women (n = 53) ages 20–41 recorded their daily b
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Kim, Aekyoung, Hannah Bradshaw, Kristina M. Durante, and Sarah E. Hill. "Life History, Fertility, and Short-Term Mating Motivation." Evolutionary Psychology 16, no. 3 (2018): 147470491880006. http://dx.doi.org/10.1177/1474704918800062.

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The current research examines the impact of women’s early-life socioeconomic status (SES; used as a proxy measure of life history strategy), relationship status, and ovulatory cycle phase on their desire for short-term mating. Results revealed that during the periovulatory phase (i.e., the high-fertility phase of the monthly ovulatory cycle), single women from low SES environments expressed an increased desire for short-term mating, whereas the opposite was found for single women from high SES environments. No such pattern was found for partnered women. These results suggest that one’s early-l
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Thèses sur le sujet "Ovulatory Phase"

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Sheldon, Melanie Skaggs. "A good mate inspires loyalty relationship quality moderates an ovulatory phase shift in romantic relationship feelings /." Diss., Columbia, Mo. : University of Missouri-Columbia, 2007. http://hdl.handle.net/10355/4723.

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Thesis (Ph. D.)--University of Missouri-Columbia, 2007.<br>The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Title from title screen of research.pdf file (viewed on February 29, 2008) Vita. Includes bibliographical references.
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Bahougne, Thibault. "Perturbation de la rythmicité circadienne : impact sur la fonction reproductive de souris femelles." Thesis, Strasbourg, 2020. http://www.theses.fr/2020STRAJ001.

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Chez les mammifères femelles, la fonction reproductive dépend à la fois d’une horloge biologique synchronisée par le cycle lumière/obscurité et par un équilibre entre le rétrocontrôle négatif et positif des œstrogènes, dont les concentrations varient en fonction de la maturation folliculaire. Chez les femmes, un nombre croissant d’études signalent un impact négatif des environnements chronodisruptifs, comme le travail posté / de nuit, sur la fertilité. Les objectifs de mon travail étaient d’étudier les effets d’un décalage de phase unique ou chronique sur les cycles reproducteurs de souris (C5
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Chapitres de livres sur le sujet "Ovulatory Phase"

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Emperaire, Jean-Claude. "Soutenir la phase lutéale." In Pratique de la stimulation ovulatoire par les gonadotrophines. Springer Paris, 2013. http://dx.doi.org/10.1007/978-2-8178-0398-2_7.

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"Ovulatory phase." In Gynaecology for Lawyers. Routledge-Cavendish, 1998. http://dx.doi.org/10.4324/9781843143611-10.

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"Ovulatory Cycle Phase." In Encyclopedia of Evolutionary Psychological Science. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-319-19650-3_303608.

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Mitchell, Virginia E., Jenna M. Lunge, Alex Orille, Mercedes Hughes, and Lisa L. M. Welling. "Infidelity Across the Ovulatory Cycle." In The Oxford Handbook of Infidelity. Oxford University Press, 2022. http://dx.doi.org/10.1093/oxfordhb/9780197502891.013.15.

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Abstract The circumstances under which infidelity occurs are numerous and several characteristics predict prior and future infidelity (e.g., religiosity, number of lifetime sexual partners, sociosexuality). Evolutionary perspectives inform why steroid hormones that vary across the ovulatory cycle have been associated with both women’s interest in extrapair partners and shifting expressions of men’s anti-infidelity behavior across their partner’s ovulatory cycle. This chapter provides an overview of the ovulatory cycle to establish the physiological basis of the hormonal changes that occur acro
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Havlíček, Jan, and S. Craig Roberts. "Menstrual Cycle Variation in Women’s Mating Psychology." In The Oxford Handbook of Evolutionary Psychology and Romantic Relationships. Oxford University Press, 2023. http://dx.doi.org/10.1093/oxfordhb/9780197524718.013.24.

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Abstract Humans engage in sex year-round, but women can conceive only during a brief fertile window each month. The ovulatory shift hypothesis predicts that women will show stronger preferences and sexual desire for men with markers of genetic quality during this window. This hypothesis has stimulated an enormous body of research which has generated conflicting findings. Here we review recent evidence on cyclic fluctuations in (a) mate preferences, (b) courtship behavior, (c) sexual desire, (d) sociosexuality, and (e) sexual behavior. Studies on mate preferences provide limited evidence for ro
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Franks, Stephen. "Oligomenorrhoea and polycystic ovary syndrome." In Clinical Disorders of the Endometrium and Menstrual Cycle. Oxford University PressNew York, NY, 1997. http://dx.doi.org/10.1093/oso/9780192627247.003.0019.

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Abstract Oligomenorrhoea is conventionally defined as an intermenstrual interval of greater than 42 days and is usually indicative of anovulation. Although the focus of this chapter is on oligomenorrhoea, it should be noted that its causes and management are very similar to those of secondary amenorrhoea or irregular menses which are also manifestations of anovulation. Anovulatory menses carries the implication that the ovary is producing oestrogen concentrations which are in the mid-follicular phase range but that progesterone secretion will be deficient. A series of anovulatory menses may, h
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Maria Paoletti, Anna, Gian Benedetto Melis, Bruno Piras, et al. "Family Planning." In Obstetrics and Gynecology. IntechOpen, 2024. http://dx.doi.org/10.5772/intechopen.111643.

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The contraception (the term is the fusion between “contra”, against, and conception): includes all methods that prevent conception. According to the physiology of human reproduction, the contraceptive methods can prevent the fecundation by hindering the female and male gametes meeting. In these mechanisms we include: The abstinence by sexual intercourse around the ovulatory phase of the cycle; The use of barriers that block contact between male gametes and female genitalia; The use of methods impeding the ascent of spermatozoa through the female genital tracts (intrauterine devices). The preve
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"Ovulatory Cycle Phases." In Encyclopedia of Evolutionary Psychological Science. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-319-19650-3_303609.

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Gokhale, Golden, and Guru Dutt Sharma. "Adverse Impact of Heat Stress on Bovine Development: Causes and Strategies for Mitigation." In Bovine Science [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.99307.

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Heat stress induces the richness and reproductive domesticated animal’s performance by settling the physiology conceptive steps, through hormonal irregularity, diminished oocyte quality and feeble semen quality, and diminished undeveloped organism advancement and endurance. It depends on principally milk production, nutrition, disease management, sexual activities, and heat stress tolerance capacity in livestock farming. The decreases infertility caused by elevated blood heat influences sex gland regulation, oestrus regulation, and gametocyte disturbance and also affects embryonic development.
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Martin, L., J. H. Kennedy, L. Little, et al. "The reproductive biology of Australian flying-foxes (genus Pteropus)." In Ecology, Evolution and Behaviour of Bats. Oxford University PressOxford, 1995. http://dx.doi.org/10.1093/oso/9780198549451.003.0011.

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Abstract Three Australian species of Pteropus occupying tropical to temperate habitats have similar distributions of birth-times. A fourth, P. scapulatus, overlaps the others’ ranges yet breeds six months out of phase. Captive males show annual testicular cycles which shift little between years and are unresponsive (P. scapulatus), or only sluggishly responsive (P. poliocephalus), to altered photoperiod. In the breeding-season, males increase their weight, odour and marking behaviour, copulating repeatedly with intact and ovariectomized females; out of season, copulations occur well into pregn
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Rapports d'organisations sur le sujet "Ovulatory Phase"

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Delwiche, Michael, Boaz Zion, Robert BonDurant, Judith Rishpon, Ephraim Maltz, and Miriam Rosenberg. Biosensors for On-Line Measurement of Reproductive Hormones and Milk Proteins to Improve Dairy Herd Management. United States Department of Agriculture, 2001. http://dx.doi.org/10.32747/2001.7573998.bard.

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The original objectives of this research project were to: (1) develop immunoassays, photometric sensors, and electrochemical sensors for real-time measurement of progesterone and estradiol in milk, (2) develop biosensors for measurement of caseins in milk, and (3) integrate and adapt these sensor technologies to create an automated electronic sensing system for operation in dairy parlors during milking. The overall direction of research was not changed, although the work was expanded to include other milk components such as urea and lactose. A second generation biosensor for on-line measuremen
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