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Journal articles on the topic 'Ovulatory Phase'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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1

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: </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. <strong>Methodology: </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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Marcinkowska, Urszula M. "Importance of Daily Sex Hormone Measurements Within the Menstrual Cycle for Fertility Estimates in Cyclical Shifts Studies." Evolutionary Psychology 18, no. 1 (2020): 147470491989791. http://dx.doi.org/10.1177/1474704919897913.

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Recent discussions have highlighted the importance of fertility measurements for the study of peri-ovulatory shifts in women’s mating psychology and mating-related behaviors. Participants in such studies typically attend at least two test sessions, one of which is, at least in theory, scheduled to occur during the high-fertility, peri-ovulatory phase of the menstrual cycle. A crucial part of this debate is whether luteinizing hormone (LH) tests alone are sufficient to accurately assign test sessions to the peri-ovulatory phase. This article adds to this ongoing debate by presenting analyses of

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Gatien, Julie, Pascal Mermillod, Guillaume Tsikis, et al. "Metabolomic Profile of Oviductal Extracellular Vesicles across the Estrous Cycle in Cattle." International Journal of Molecular Sciences 20, no. 24 (2019): 6339. http://dx.doi.org/10.3390/ijms20246339.

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Oviductal extracellular vesicles (oEVs) have been proposed as key modulators of gamete/embryo maternal interactions. The aim of this study was to examine the metabolite content of oEVs and its regulation across the estrous cycle in cattle. Oviductal EVs were isolated from bovine oviducts ipsilateral and contralateral to ovulation at four stages of the estrous cycle (post-ovulatory stage, early and late luteal phases, and pre-ovulatory stage). The metabolomic profiling of EVs was performed by proton nuclear magnetic resonance spectroscopy (NMR). NMR identified 22 metabolites in oEVs, among whic

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Anwar, Mohammad Yaser, Michele Marcus, and Kira C. Taylor. "The association between alcohol intake and fecundability during menstrual cycle phases." Human Reproduction 36, no. 9 (2021): 2538–48. http://dx.doi.org/10.1093/humrep/deab121.

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Abstract STUDY QUESTION Is increased alcohol intake in different phases of the menstrual cycle associated with fecundability in women? SUMMARY ANSWER Heavy intake (&gt;6 drinks/week) of alcoholic beverages in the luteal phase and ovulatory subphase was associated with reduced odds of conception; moderate intake (3–6 drinks/week) during the luteal phase was also associated with reduced fecundability. WHAT IS KNOWN ALREADY Despite strong indications for increased risk of infertility among drinking women with intention to conceive, inconsistencies in previous results point to possible residua

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Bogdan, Maja S., Danijel O. Slavic, Sinisa S. Babovic, Biljana S. Zvezdin, Violeta P. Kolarov, and Vladimir L. Kljajic. "Olfactory Perception and Different Decongestive Response of the Nasal Mucosa During Menstrual Cycle." American Journal of Rhinology & Allergy 35, no. 5 (2021): 693–99. http://dx.doi.org/10.1177/1945892421990308.

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Background Sex hormones are known to have some influence on nasal functions, but their effect on the decongestive response of the nasal mucosa during menstrual cycle is still undetermined. Objectives The aim of this study was to examine the nasal physiology, the interconnectedness of olfactory and respiratory nasal function and the decongestive response of the nasal mucosa during menstrual cycle. Methods This study included 101 healthy women aged 23.26 ± 4.81 years with a regular menstrual cycle. The nasal respiratory function and the decongestive response of the nasal mucosa were examined by

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Guo, Linning, Chenlei Zhu, Ziqi Wang, Zhiqiang Gao, Zongduan Zhang, and Qintuo Pan. "Retinal Vascular Changes during the Menstrual Cycle Detected with Optical Coherence Tomography Angiography." Journal of Ophthalmology 2021 (July 12, 2021): 1–8. http://dx.doi.org/10.1155/2021/5514575.

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Purpose. To evaluate the effects of the menstrual cycle on the retinal vascular status of healthy women by optical coherence tomography angiography (OCTA). Materials and Methods. Healthy women with regular natural menstrual cycles of 28 to 30 days were recruited for this prospective study. The women’s retinal vascular status was measured by OCTA at 3 time points: the early follicular, ovulatory, and midluteal phases of the menstrual cycle. The main outcome measures were foveal avascular zone (FAZ) parameters, perfusion density (PD) percentage in the superficial retinal capillary plexus (SCP),

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Ike, Akihiro, Naoko Ose, Yasushi Shintani, and Meinoshin Okumura. "Catamenial pneumothorax with onset in ovulatory phase." Journal of the Japanese Association for Chest Surgery 33, no. 1 (2019): 74–79. http://dx.doi.org/10.2995/jacsurg.33.74.

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Panigrahi, Madhuri, and Santosh K. Panda. "Effect of ovulation on serum cholesterol in women of reproductive age group." International Journal of Reproduction, Contraception, Obstetrics and Gynecology 7, no. 2 (2018): 424. http://dx.doi.org/10.18203/2320-1770.ijrcog20180036.

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Background: Reproduction and contraception is mostly central around ovulation. The sex hormones undergo changes in levels with ovulation. They also play an important role in cholesterol metabolism, especially oestrogen. Aim of our study was to find out changes in serum cholesterol before and after ovulation in women of reproductive age.Methods: In present study 70 women of reproductive age group (15-49years) were recruited. Serum cholesterol was measured around time of ovulation.Results: It was found that, during the follicular phase there was a significant increase in total cholesterol and LD

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Ramos-Loyo, Julieta, and Araceli Sanz-Martin. "Emotional Experience and Recognition across Menstrual Cycle and in Premenstrual Disorder." International Journal of Psychological Studies 9, no. 4 (2017): 33. http://dx.doi.org/10.5539/ijps.v9n4p33.

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The aim of this study was to determine if differences exist in mood and in the recognition of female and male emotional faces among women in different phases of the menstrual cycle, and in women who suffer from Premenstrual Dysphoric Disorder (PMDD) in the premenstrual phase. Both the emotional states and the recognition of female and male emotional faces were assessed in women in each phase of the menstrual cycle: post-menstrual, ovulatory, post-ovulatory and premenstrual. Also evaluated was a group of women who presented symptoms of PMDD during the premenstrual phase. Only the women with PMD

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Htet, Htet Oo, Thanda Sein Mya, Ohnmar, and Aung Aye. "Serum calcium levels, serum magnesium levels and calcium magnesium ratios in different phases of menstrual cycle." Myanmar Medical Journal 58, no. 1 (2016): 33–40. https://doi.org/10.5281/zenodo.3744233.

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Female reproductive hormone changes in the menstrual cycle affect the mineral metabolisms which in turn cause disorders in the body. This study was aimed at evaluating serum calcium, magnesium, and Ca:Mg ratio during the follicular, ovulatory and luteal phase in 80 women (15 - 45 years). The detailed menstrual history including basal body temperature for two consecutive cycles were recorded. The ovulation day was estimated individually from the change in basal body temperature and the phases were estimated from the individual cycle length and estimated ovulation day. The follicular, ovulatory

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Dörr, P. J., E. J. P. Brommer, G. Dooijewaard, and H. M. Vemer. "Parameters of Fibrinolysis in Peritoneal Fluid and Plasma in Different Stages of the Menstrual Cycle." Thrombosis and Haemostasis 70, no. 05 (1993): 873–75. http://dx.doi.org/10.1055/s-0038-1649686.

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SummaryThe purpose of this study was to investigate differences in fibrinolytic activity in peritoneal fluid and plasma of women in the first and second part of the menstrual cycle. Given the classic concept of decreased fibrinolytic activity as a cause of adhesion formation, and if such differences are found, the stage of women’s menstrual cycle should be taken into consideration when scheduling a laparotomy.We measured fibrinolytic parameters in peritoneal fluid and plasma in eight women in the pre-ovulatory period and in eleven women in the post-ovulatory period of the menstrual cycle.There

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Ginther, O. J., M. A. Beg, A. P. Neves, et al. "Miniature ponies: 2. Endocrinology of the oestrous cycle." Reproduction, Fertility and Development 20, no. 3 (2008): 386. http://dx.doi.org/10.1071/rd07165.

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Plasma concentrations of FSH, LH, oestradiol and progesterone were studied daily during 12 interovulatory intervals and 21 periovulatory periods in nine Miniature ponies. The peak of the FSH surge that was temporally associated with emergence of the future ovulatory follicle occurred when the follicle was ~9 mm, compared with a reported diameter of 13 mm in larger breeds. The ovulatory LH surge involved a slow increase between Days 13 and 18 (ovulation = Day 0; 0.6 ± 0.1 ng day–1), a minimal increase or a plateau on Days 18 to 21 (0.04 ± 0.1 ng day–1), and a rapid increase after Day 21 (2.2 ±

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Alzueta, Elisabet, Massimiliano de Zambotti, Teji Dulai, et al. "259 Tracking naturalistic sleep over the menstrual cycle with a wearable in healthy young women." Sleep 44, Supplement_2 (2021): A104. http://dx.doi.org/10.1093/sleep/zsab072.258.

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Abstract Introduction A woman’s menstrual cycle is characterized by hormonal changes that might affect sleep and therefore daily functionality. While some studies using self-reports have shown a lower sleep quality in the peri-menstruation phase, objective – in lab – studies have not found significant differences in sleep continuity during the menstrual cycle, but are limited by only a few recordings across the cycle. The aim of this study is to examine changes in sleep during the healthy menstrual cycle using a multi-sensory wearable, allowing continuous, objective, reliable and ecologically

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Edama, Mutsuaki, Tae Ohya, Sae Maruyama, et al. "Relationship between Changes in Foot Arch and Sex Differences during the Menstrual Cycle." International Journal of Environmental Research and Public Health 20, no. 1 (2022): 509. http://dx.doi.org/10.3390/ijerph20010509.

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This study investigated the relationship between changes in foot characteristics and sex differences during the menstrual cycle in healthy male and female university students. We examined 10 female subjects and 14 male subjects. The menstrual cycle was divided into the three phases: the early follicular phase, ovulatory phase, and luteal phase via basal body temperature, an ovulation kit, and salivary estradiol and progesterone concentration measurements. Foot characteristics required for the calculation of the arch height index (AHI) were measured using a three-dimensional foot scanner under

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Sipavičienė, Saulė, Laura Daniusevičiutė, Irina Klizienė, Sigitas Kamandulis, and Albertas Skurvydas. "Effects of Estrogen Fluctuation during the Menstrual Cycle on the Response to Stretch-Shortening Exercise in Females." BioMed Research International 2013 (2013): 1–6. http://dx.doi.org/10.1155/2013/243572.

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The aim of this study was to investigate whether variation in estrogen levels during the menstrual cycle influences susceptibility to exercise-induced muscle damage after stretch-shortening cycle exercise. Physically active women (n=18; age = 20.2 ± 1.7 yr) participated in this research. The subjects performed one session of 100 maximal drop jumps on day 1 or 2 of the follicular phase and another identical session on day 1 or 2 of the ovulatory phase; the order of the sessions was randomized. Quadriceps femoris muscle peak torque evoked by electrical stimulation and maximal voluntary contracti

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Guthrie, H. D. "The follicular phase in pigs: Follicle populations, circulating hormones, follicle factors and oocytes,." Journal of Animal Science 83, suppl_13 (2005): E79—E89. http://dx.doi.org/10.2527/2005.8313_supple79x.

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Abstract The predominant pattern of follicle development in pigs is characterized by continuous activation, slow growth to the antral stage, and rapid growth to 4 to 5 mm followed by atresia. The only time that this pattern is broken is when a small portion of the follicle population is selected for ovulation. The mechanisms that regulate the selection of ovulatory follicles are not well understood. However, the ovulatory cohort shifts from FSH to LH dependence at the expense of the nonovulatory follicles as indicated by the following: 1) decreased secretion of FSH, and 2) decreased expression

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Morin, L. P. "Environment and hamster reproduction: responses to phase-specific starvation during estrous cycle." American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 251, no. 4 (1986): R663—R669. http://dx.doi.org/10.1152/ajpregu.1986.251.4.r663.

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Reproductive capacity of female hamsters, as estimated by the ovulatory response, is particularly susceptible to interference by food deprivation. Previous studies showed that hamsters generally fail to ovulate if deprived of food for one or two estrous cycles. The present work demonstrates that starvation which is specific to the 2 days immediately after ovulation will block the next expected ovulation in approximately 80% of the animals. Such phasic starvation also resulted in significantly smaller ovarian follicle sizes. When placed with vigorous males, anovulatory animals failed to show lo

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McEvoy, T. G., J. J. Robinson, R. P. Aitken, C. E. Kyle, and I. S. Robertson. "The effect of feeding level during a 12-day progesterone-priming period on the viability of embryos collected from superovulated ewes." Proceedings of the British Society of Animal Production (1972) 1993 (March 1993): 57. http://dx.doi.org/10.1017/s0308229600023849.

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Several studies have shown that the level of peri- and post-ovulatory progesterone in ewes can critically influence embryo survival (Ashworth, Sales & Wilmut, 1989; Parr, 1992). However, the effect of altering pre-ovulatory progesterone concentrations in superovulated sheep has not been fully investigated. In view of the inverse relationship between the plasma concentration of progesterone and food intake (McKelvey & Robinson, 1986; Parr, 1992), the present study was carried out to determine the effect of altering feed intake on progesterone concentrations during the pre-ovulatory prim

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Alzahrani, Faisal M., and Fathelrahman M. Hassan. "Differences in Platelet Glycoprotein Expression During Menstruation Cycle and Ovulatory Phase." Global Journal of Health Science 11, no. 3 (2019): 83. http://dx.doi.org/10.5539/gjhs.v11n3p83.

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INTRODUCTION: The variations in the physiological properties of female platelets during menstrual cycle phases, pregnancy and postmenopausal women to interactions with platelet CD49b, CD42b, CD41a and CD61 expression glycoprotein receptors were not well understood. Therefore, the aim of the present study was to evaluate the expression of these glycoprotein receptors during menstruation and ovulatory phase of menstrual cycle in reproductive age women.  METHODS: It is across section study including 44 healthy young non‑hormonal contraceptives taking women aged between 19-44 years to

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Rajbhandari Pandey, Karishma, Rita Khadka, Kopila Agrawal, Bishnu Hari Paudel, and Dipesh Raj Panday. "Cardiovascular Reactivity to Acute Mental Stress in Post Ovulatory Females." Journal of Nepal Health Research Council 18, no. 4 (2021): 626–31. http://dx.doi.org/10.33314/jnhrc.v18i4.2555.

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Background: Female hormones fluctuate with the phases of menstrual cycle. Estrogen, which has attributes in cardio-protection, is secreted less during luteal phase. In post-ovulatory phase, days 1-2 before menstruation has minimal female hormone influence due to less secretion. Mental stress subjected at this phase might enhance sympathetic activation which in long run may precipitate cardiovascular diseases. Hence, to explore the autonomic activity to mental stress during this phase of menstrual cycle the study was undertaken.Methods: Thirty apparently healthy young postovulatory female medic

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Szajnowska, Maria. "The influence on menstrual cycle phases on trunk flexion mobility assessed with finger floor distance test: a preliminary study." Medical Science Pulse 16, no. 2 (2022): 1–10. http://dx.doi.org/10.5604/01.3001.0015.9964.

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Background: The menstrual cycle plays an important role in a woman's body and the relationship between different phases of the menstrual cycle and flexibility has not been well known. Aim of the study: This study aimed to examine whether the different phases of the menstrual cycle could affect trunk flexion mobility in young, healthy, physically active women who had not used hormonal contraception and had not received hormone treatment. Material and methods: In total, ten healthy female nulliparas aged 25 - 30 participated in the study. The inclusion criterion for the study was regular menstru

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Usala, Stephen J., María Elena Alliende, and A. Alexandre Trindade. "The Fertility Indicator Equation Using Serum Progesterone and Urinary Pregnanediol-3-Glucuronide for Assessment of Ovulatory to Luteal Phase Transition." Medicina 57, no. 2 (2021): 134. http://dx.doi.org/10.3390/medicina57020134.

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Background and Objectives: The Fertility Indicator Equation (FIE) has been shown to signal the fertile phase during the ovulatory menstrual cycle. It was hypothesized that this formulation, a product of two sequential normalized changes with a sign indicating direction of change, could be used to identify the transition from ovulatory to luteal phase with daily serum progesterone (P) and urinary pregnanediol-3-glucuronide (PDG) levels. Materials and Methods: Day-specific serum P levels from two different laboratories and day-specific urinary PDG levels from an additional two different laborato

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Shagawa, Mayuu, Sae Maruyama, Chie Sekine, et al. "Knee Laxity in the Menstrual Cycle after Anterior Cruciate Ligament Reconstruction: A Case Series." International Journal of Environmental Research and Public Health 20, no. 3 (2023): 2277. http://dx.doi.org/10.3390/ijerph20032277.

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The aim of this study was to compare anterior knee laxity (AKL), genu recurvatum (GR), and muscle stiffness between reconstructed and contralateral sides in females who underwent anterior cruciate ligament (ACL) reconstruction during early follicular and ovulatory phases. AKL was measured as an anterior displacement of the tibia using a KS measure. GR was measured as the range of motion of knee hyperextension using a hyperextension apparatus. Muscle stiffness was measured for semitendinosus (ST) and biceps femoris long head (BF) using a MyotonPRO. The study investigated eighteen knees in nine

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Bleach, E. C. L., C. L. Moore, H. J. Zeale, and P. G. Knight. "Effects of treatment with a gonadotrophin-releasing hormone analogue on follicle development in dairy cows fed one of two different diets." BSAP Occasional Publication 26, no. 2 (2001): 451–55. http://dx.doi.org/10.1017/s0263967x00034108.

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AbstractFollicle development occurs in two or three waves during the bovine oestrous cycle. Artificially extending the duration of ovulatory follicle dominance influences pregnancy rates in cattle, as does the interval from emergence to oestrus in dairy cows undergoing spontaneous oestrous cycles. The objectives of the presented study were to determine whether the interval from ovulatory follicle emergence to oestrus might be altered by diet and/or gonadotropin-releasing hormone (GnRH) treatment. Lactating primiparous Holstein/Friesian cows (n=21) were randomly allocated to one of two diets at

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Thitaram, Chatchote, Pornsawan Pongsopawijit, Saran Chansitthiwet, et al. "Induction of the ovulatory LH surge in Asian elephants (Elephas maximus): a novel aid in captive breeding management of an endangered species." Reproduction, Fertility and Development 21, no. 5 (2009): 672. http://dx.doi.org/10.1071/rd08296.

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A unique feature of the reproductive physiology of Asian elephants (Elephas maximus) is the occurrence of two LH surges before ovulation, instead of one. An anovulatory LH (anLH) surge, the function of which is unknown, occurs consistently 3 weeks before the ovulatory LH (ovLH) surge that induces ovulation. Thus, the ability to induce an ovLH surge would be useful for scheduling natural mating or artificial insemination. The present study tested the efficacy of a gonadotrophin-releasing hormone agonist (GnRH-Ag) to induce LH surges during the follicular phase of the oestrous cycle, which resul

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Nóbrega, Lucia H. C., George D. Azevedo, Josivan G. Lima, et al. "Analysis of testosterone pulsatility in women with ovulatory menstrual cycles." Arquivos Brasileiros de Endocrinologia & Metabologia 53, no. 8 (2009): 1040–46. http://dx.doi.org/10.1590/s0004-27302009000800020.

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OBJECTIVE: To evaluate the pattern of the pulsatile secretion of testosterone in normal menstrual cycle. METHODS: Eight healthy women with ovulatory menstrual cycles were enrolled. Blood samples were collected at ten-minute intervals for six hours, starting between 7 and 8 am, after a ten-hour fasting, in three phases: mid-follicular (Day 7), late follicular (Day 12) and mid-luteal phase (Day 21). Samples were assayed for testosterone, LH and the baseline also for SHBG. RESULTS: Testosterone pulse frequency, mean amplitude pulse, percentage of increment in pulse amplitude, mean duration of pul

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Metcalf, M. G., and J. H. Livesey. "Pregnanediol excretion in fertile women: age-related changes." Journal of Endocrinology 119, no. 1 (1988): 153–57. http://dx.doi.org/10.1677/joe.0.1190153.

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ABSTRACT In normal women reproductive capacity diminishes with age; the decline has been detected before the start of the menopausal transition. It is known that in premenopausal women most menstrual cycles are ovulatory. An investigation was set up to examine the possibility that there is an age-related decline in the ability of the corpus luteum to secrete progesterone at this time. Once-weekly urine samples for the measurement of pregnanediol were collected from 100 women aged 20–48 years, all of whom had regular 20- to 35–day menstrual cycles (1124 samples collected during the course of 31

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Eisenlohr-Moul, Tory A., Katja M. Schmalenberger, Sarah A. Owens, Jessica R. Peters, Danyelle N. Dawson, and Susan S. Girdler. "Perimenstrual exacerbation of symptoms in borderline personality disorder: evidence from multilevel models and the Carolina Premenstrual Assessment Scoring System." Psychological Medicine 48, no. 12 (2018): 2085–95. http://dx.doi.org/10.1017/s0033291718001253.

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AbstractBackgroundIndividuals with a borderline personality disorder (BPD) suffer from a constellation of rapidly shifting emotional, interpersonal, and behavioral symptoms. The menstrual cycle may contribute to symptom instability among females with this disorder.MethodsFifteen healthy, unmedicated females with BPD and without dysmenorrhea reported daily symptoms across 35 days. Urine luteinizing hormone and salivary progesterone (P4) were used to confirm ovulation and cycle phase. Cyclical worsening of symptoms was evaluated using (1) phase contrasts in multilevel models and (2) the Carolina

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Goeckenjan, Maren, Esther Schiwek, and Pauline Wimberger. "Continuous Body Temperature Monitoring to Improve the Diagnosis of Female Infertility." Geburtshilfe und Frauenheilkunde 80, no. 07 (2020): 702–12. http://dx.doi.org/10.1055/a-1191-7888.

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Abstract Introduction Ovulatory dysfunction is a major cause of female infertility. We evaluated the use of continuous body temperature monitoring with a vaginal biosensor to improve standard diagnostic procedures for determining ovulatory dysfunction. Material and Methods This prospective interventional study was performed in a reproductive medicine department of a university hospital. The menstrual cycles of 51 women with infertility were monitored and analysed using three different strategies: sonographic and hormonal assessment (standard approach), continuous core body temperature measurem

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Ho, Hsiu-Zu, Jeffrey W. Gilger, and Teresa M. Brink. "Effects of Menstrual Cycle on Spatial Information-Processes." Perceptual and Motor Skills 63, no. 2 (1986): 743–51. http://dx.doi.org/10.2466/pms.1986.63.2.743.

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The present study examined effects of menstrual cycle (i.e., ovulatory vs menstrual phase) on performance on spatial information-processes. Participants included 20 spontaneously cycling women (with regular 28- to 30-day menstrual cycles) who were tested on a reaction-time task developed to assess specific spatial information-processes and the Spatial Relations subtest of the PMA battery. For the spatial information-processing task, women responded faster and applied relatively less stringent criteria in the decision process during the ovulatory phase. No effects of cycle changes were found fo

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Ginther, O. J., M. A. Beg, E. L. Gastal, M. O. Gastal, A. R. Baerwald, and R. A. Pierson. "Systemic concentrations of hormones during the development of follicular waves in mares and women: a comparative study." Reproduction 130, no. 3 (2005): 379–88. http://dx.doi.org/10.1530/rep.1.00757.

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Changes in systemic concentrations of FSH, LH, oestradiol and progesterone during the ovulatory follicular wave were compared between 30 mares and 30 women. Based on a previous study, the emergence of the future ovulatory follicle was defined as occurring at 13.0 mm in mares and 6.0 mm in women, and deviation in diameter between the two largest follicles was expected to begin at 22.7 mm in mares and 10.3 mm in women. Mean FSH concentrations were high in mares during the luteal phase, resulting from statistically identified FSH surges occurring in individuals on different days and in different

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Joseph-Horne, Rosanne, Helen Mason, Sari Batty, et al. "Luteal phase progesterone excretion in ovulatory women with polycystic ovaries." Human Reproduction 17, no. 6 (2002): 1459–63. http://dx.doi.org/10.1093/humrep/17.6.1459.

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Alzahrani, Faisal, and Fathelrahman Hassan. "Modulation of Platelet Functions Assessment during Menstruation and Ovulatory Phases." Journal of Medicine and Life 12, no. 3 (2019): 296–300. http://dx.doi.org/10.25122/jml-2019-0005.

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During menstruation, endometrial hemostasis is achieved by platelet aggregation, fibrin deposition, and thrombus formation that interact with local endocrine and immunological factors which cause termination of menstrual bleeding. Interactions between steroidal sex hormones and platelet functions are not well understood. The aim of this study was to evaluate the effect of platelet function during the menstrual cycle and luteal phase in women of reproductive age. The cross-sectional study on women of reproductive age included 44 healthy women. Platelet function was assessed by PFA-100TM analyze

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Aganezov, S. S., V. N. Ellinidi, K. Yu Ponomarenko, A. V. Morotskaya, and N. V. Aganezova. "Features of the hormone-receptor interaction in the endometrium during ovulatory menstrual cycle in women with reproductive failure." Bulletin of the Russian Military Medical Academy 20, no. 2 (2018): 63–67. http://dx.doi.org/10.17816/brmma12236.

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A comparative analysis of the levels of estradiol and progesterone in the blood, immunohistochemical parameters of estrogen receptors and progesterone in endometrium in women with a history of reproductive disorders is presented. It was found that all women had an ovulatory ovarian cycle, levels of estradiol and progesterone in the blood were within the reference values. In women with reproductive failures in the history (n=107), four types of hormone-receptor response in the endometrium were identified. In 46 (43%) women, the first (normoreceptor) type of endometrial response was detected, wi

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Stern, Julia, Tanja M. Gerlach, and Lars Penke. "Probing Ovulatory-Cycle Shifts in Women’s Preferences for Men’s Behaviors." Psychological Science 31, no. 4 (2020): 424–36. http://dx.doi.org/10.1177/0956797619882022.

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The existence of ovulatory-cycle shifts in women’s mate preferences has been a point of controversy. There is evidence that naturally cycling women in their fertile phase, compared with their luteal phase, evaluate specific behavioral cues in men as more attractive for sexual relationships. However, recent research has cast doubt on these findings. We addressed this debate in a large, preregistered, within-participants study using salivary-hormone measures and luteinizing-hormone tests. One hundred fifty-seven female participants rated the sexual and long-term attractiveness of 70 men in dyadi

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GHUMAN, S. P. S., M. HONPARKHE, D. DADARWAL, J. SINGH та G. S. DHALIWAL. "Optimizing estrous period characteristics of crossbred cows exhibiting prolonged estrus using a PGF2α analogue". Indian Journal of Animal Sciences 84, № 1 (2014): 15–17. http://dx.doi.org/10.56093/ijans.v84i1.37292.

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The present study aimed at optimization of estrous period of prolonged estrus exhibiting crossbred cows (n=10) using PGF2α analogue (cloprostenol 500µg, i/m) administration between days 7 to 9 post-ovulation. Using a scoring chart, cows were scheduled for visual estrus detection, twice per day for 30 min. After each schedule, ultrasonography was done to detect the ovulation time. A scoring scale was used for the recording of visual estrus signs and estrus related alterations in the genital tract. During spontaneous-estrus (124.5±24h), ovulatory follicles had continuous growth before ovulation.

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Chein, K., S. Wei, C. Hung, C. Tu, and J. Hsieh. "0834 Different Neural Circuits Were Associated With Different Parts of Relationships Among Sleep, Pain and Anxiety in Women with Primary Dysmenorrhoea." Sleep 43, Supplement_1 (2020): A317—A318. http://dx.doi.org/10.1093/sleep/zsaa056.830.

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Abstract Introduction Although the relationships amongst sleep, pain and anxiety have been evidenced, the underlying neurological mechanisms remain elusive. Primary dysmenorrhea is a good model of spontaneous pain with clear painful (menstruation, state) and pain free (e.g., peri-ovulatory phase, trait) conditions. We sought to investigate the state- and trait-related neural signatures that link sleep and anxiety in primary dysmenorrhea. Methods Thirty female subjects with primary dysmenorrhea and 30 healthy female controls completed resting-state functional magnetic resonance imaging, the Sta

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Zaťková, Magdalena, and Vladimír Hura. "Ovulatory Failure in Mares During Breeding Seasons." Folia Veterinaria 68, no. 3 (2024): 76–83. http://dx.doi.org/10.2478/fv-2024-0030.

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Abstract In the years 2022 and 2023 we investigated the prevalence of the ovulatory failure in 133 mares of different breed, 3 to 24 years old, brought to the Equine clinic of the University of Veterinary Medicine and Pharmacy (UVMP) in Košice. Our research involved the monitoring of the reproduction cycle in these mares with the aim to determine the prevalence of ovulatory failure during the breeding season, focusing on certain specific parameters that were considered sufficiently relevant with respect to the development of such failure. These parameters included environmental temperature and

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Buddharthi, Archana Neetu Singh* Anu Ram Kalaish Mishra Alka Nanda. "A Review on Nutritional Requirements During Menstrual Cycle Phases." International Journal of Pharmaceutical Sciences 3, no. 5 (2025): 4410–22. https://doi.org/10.5281/zenodo.15519624.

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Hormonal changes govern the intricate physiological process known as the menstrual cycle, which has an impact on energy needs, metabolism, and general health. Understanding the nutritional requirements at each the menstrual cycle's stage is essential for preserving hormonal balance, managing symptoms, and improving overall health. The menstrual cycle is divided into four separate phases: luteal, follicular, ovulatory, and menstrual. Various physiological transformations take place in each phase, influencing the amount of energy consumed and the nutrients needed. Consuming foods rich in vitamin

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Hameed, Hanana, Sajjad Ul Hasan, Muhammad Naveed Najeeb, Maha Sajjad, Sajida Imran, and Abdul Wadood Shah. "Impact of Obesity on Female Reproductive Hormones and Ovulatory Function. A Clinical and Biochemical Evaluation of Endocrine Disruption in Women of Reproductive Age." Pakistan Journal of Medical & Health Sciences 17, no. 11 (2023): 315–18. https://doi.org/10.53350/pjmhs20231711315.

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Background: Obesity is a global health concern that significantly affects female reproductive health. It is strongly associated with hormonal imbalances and ovulatory dysfunction, which may compromise fertility. The present study clinically and biochemically evaluates the impact of obesity on female reproductive hormones and ovulatory patterns in women of reproductive age. Objective: To assess the endocrine disruption and ovulatory dysfunction associated with obesity in reproductive-aged women through clinical and biochemical evaluation. Methodology: This cross-sectional clinical study was con

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Galasinska, Katarzyna, and Aleksandra Szymkow. "The More Fertile, the More Creative: Changes in Women’s Creative Potential across the Ovulatory Cycle." International Journal of Environmental Research and Public Health 18, no. 10 (2021): 5390. http://dx.doi.org/10.3390/ijerph18105390.

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Creative thinking is a defining human feature. It provides novel solutions and as such undoubtedly has contributed to our survival. However, according to signaling theory, creativity could also have evolved through sexual selection as a potential fitness indicator. In our study, we tested one implication of this theory. Specifically, we hypothesized that if creativity can serve as a signal of women’s fitness, then we should observe an increase in creative thinking in the fertile phase of the ovulatory cycle compared to other non-fertile phases. In our study (N = 751), we tested creative potent

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