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https://www.readbyqxmd.com/read/28735074/increased-ventilation-in-female-erythropoietin-deficient-mouse-line-is-not-progesterone-and-estrous-stage-dependent
#1
Florine Jeton, Jorge Soliz, Dominique Marchant, Vincent Joseph, Jean-Paul Richalet, Aurélien Pichon, Nicolas Voituron
Previous studies suggest that chronic erythropoietin (Epo) deficiency in male mice does not alter normoxic/hypoxic ventilation. As effects of Epo are sex specific and as progesterone could be a respiratory stimulant, we evaluated the impact of Epo deficiency and its possible interaction with progesterone in ventilatory control in female mice during estrous cycle phases. Compared to wild type (WT) animals, Epo-TAg(h) female mice exhibited higher ventilation in hypoxia. However, when data were separated into luteal and follicular phases of the estrous cycle, basal ventilation and hypoxic ventilation were not different in both mice strains...
July 19, 2017: Respiratory Physiology & Neurobiology
https://www.readbyqxmd.com/read/28726748/effect-of-air-pollution-on-menstrual-cycle-length-a-prognostic-factor-of-women-s-reproductive-health
#2
Anna Merklinger-Gruchala, Grazyna Jasienska, Maria Kapiszewska
Air pollution can influence women's reproductive health, specifically menstrual cycle characteristics, oocyte quality, and risk of miscarriage. The aim of the study was to assess whether air pollution can affect the length of the overall menstrual cycle and the length of its phases (follicular and luteal). Municipal ecological monitoring data was used to assess the air pollution exposure during the monitored menstrual cycle of each of 133 woman of reproductive age. Principal component analyses were used to group pollutants (PM10, SO₂, CO, and NOx) to represent a source-related mixture...
July 20, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28684053/three-step-method-for-menstrual-and-oral-contraceptive-cycle-verification
#3
Mia A Schaumberg, David G Jenkins, Xanne A K Janse de Jonge, Lynne M Emmerton, Tina L Skinner
OBJECTIVES: Fluctuating endogenous and exogenous ovarian hormones may influence exercise parameters; yet control and verification of ovarian hormone status is rarely reported and limits current exercise science and sports medicine research. The purpose of this study was to determine the effectiveness of an individualised three-step method in identifying the mid-luteal or high hormone phase in endogenous and exogenous hormone cycles in recreationally-active women and determine hormone and demographic characteristics associated with unsuccessful classification...
August 26, 2016: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/28638367/gnrh-agonist-trigger-and-lh-activity-luteal-phase-support-versus-hcg-trigger-and-conventional-luteal-phase-support-in-fresh-embryo-transfer-ivf-icsi-cycles-a-systematic-prisma-review-and-meta-analysis
#4
REVIEW
Thor Haahr, Matheus Roque, Sandro C Esteves, Peter Humaidan
INTRODUCTION: The use of GnRH agonist (GnRHa) for final oocyte maturation trigger in oocyte donation and elective frozen embryo transfer cycles is well established due to lower ovarian hyperstimulation syndrome (OHSS) rates as compared to hCG trigger. A recent Cochrane meta-analysis concluded that GnRHa trigger was associated with reduced live birth rates (LBRs) in fresh autologous IVF cycles compared to hCG trigger. However, the evidence is not unequivocal, and recent trials have found encouraging reproductive outcomes among couples undergoing GnRHa trigger and individualized luteal LH activity support...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/28558117/gonadotropin-releasing-hormone-agonist-triggering-and-a-freeze-all-approach-the-final-step-in-eliminating-ovarian-hyperstimulation-syndrome
#5
Marcus J Davenport, Beverley Vollenhoven, Alon J Talmor
Importance: In vitro fertilization (IVF) has evolved dramatically in recent decades; however, clinical practices have been slow to adopt these advancements, particularly regarding final oocyte maturation and the timing of embryo transfer. Concerns still exist over the ability of gonadotropin-releasing hormone (GnRH) agonists and elective embryo cryopreservation to reduce the risk of ovarian hyperstimulation syndrome (OHSS) without compromising pregnancy outcomes. Objective: This review investigates IVF outcomes associated with GnRH-agonist triggering and elective embryo cryopreservation...
May 2017: Obstetrical & Gynecological Survey
https://www.readbyqxmd.com/read/28553146/recurrent-pregnancy-loss-current-perspectives
#6
REVIEW
Hady El Hachem, Vincent Crepaux, Pascale May-Panloup, Philippe Descamps, Guillaume Legendre, Pierre-Emmanuel Bouet
Recurrent pregnancy loss is an important reproductive health issue, affecting 2%-5% of couples. Common established causes include uterine anomalies, antiphospholipid syndrome, hormonal and metabolic disorders, and cytogenetic abnormalities. Other etiologies have been proposed but are still considered controversial, such as chronic endometritis, inherited thrombophilias, luteal phase deficiency, and high sperm DNA fragmentation levels. Over the years, evidence-based treatments such as surgical correction of uterine anomalies or aspirin and heparin for antiphospholipid syndrome have improved the outcomes for couples with recurrent pregnancy loss...
2017: International Journal of Women's Health
https://www.readbyqxmd.com/read/28005027/-evaluation-of-the-pro-and-antioxidant-status-of-women-with-hiv-or-coinfection
#7
L I Kolesnikova, S I Kolesnikov, M A Darenskaya, L A Grebenkina, E V Timofeeva, O Ya Leshchenko, O A Vanteeva, M A Rashidova
AIM: To reveal the specific features of changes in the parameters of lipid peroxidation - antioxidant defense and the status of the reproductive system in women of fertile age with monoinfection (HIV) or coinfection (HIV and hepatitis B and/or C). SUBJECTS AND METHODS: 81 reproductive-aged women were examined and divided into 3 groups: 1) 28 apparently healthy women (controls); 2) 26 patients with HIV monoinfection; and 3) 27 patients with HIV coinfection (HIV + hepatitis B and/or C) who had not previously received antiretroviral therapy...
2016: Terapevticheskiĭ Arkhiv
https://www.readbyqxmd.com/read/27960568/altered-expression-of-hormone-receptor-integrin-%C3%AE-3-and-pinopode-in-the-endometrium-of-luteal-phase-defect-women
#8
Shuangge Liu, Teng Hua, Xiaoyan Xin, Rui Shi, Shuqi Chi, Hongbo Wang
OBJECTIVE: To invistigate estrogen receptor (ER), progesterone receptor (PR), integrin β3, and pinopode expression in luteal phase deficiency (LPD) women. METHODS: There were 52 nulligravidas consecutive infertile patients undergoing a routine assistant reproduction consultation included in this study. An endometrial biopsy sample was randomly obtained between days 4 and 10 of the luteal phase. Endometrial morphology was examined with scanning electron microscopy...
December 14, 2016: Gynecological Endocrinology
https://www.readbyqxmd.com/read/27921091/the-relationship-between-serum-vitamin-d-level-and-premenstrual-syndrome-in-iranian-women
#9
Samira Rajaei, Azadeh Akbari Sene, Sara Norouzi, Yasrin Berangi, Sahereh Arabian, Parvaneh Lak, Ali Dabbagh
BACKGROUND: Premenstrual syndrome (PMS) is among the most unfavorable problems in women in reproductive age; however its pathophysiology is still not fully confirmed. Vitamin D as an immunomodulator could prevent inflammatory state before and during menstruation. OBJECTIVE: The aim was to investigate whether there is any relationship between serum vitamin D levels and PMS. MATERIALS AND METHODS: In total, 82 women participate in this case-control study which was conducted in Shahid Akbar-abadi hospital from November 2013 to March 2015...
October 2016: International Journal of Reproductive Biomedicine (Yazd, Iran)
https://www.readbyqxmd.com/read/27886513/a-potential-role-for-endoplasmic-reticulum-stress-in-progesterone-deficiency-in-obese-women
#10
Nozomi Takahashi, Miyuki Harada, Yasushi Hirota, Lin Zhao, Jerilee M K Azhary, Osamu Yoshino, Gentaro Izumi, Tetsuya Hirata, Kaori Koga, Osamu Wada-Hiraike, Tomoyuki Fujii, Yutaka Osuga
Obesity in reproductive-aged women is associated with a shorter luteal phase and lower progesterone levels. Lipid accumulation in follicles of obese women compromises endoplasmic reticulum (ER) function, activating ER stress in granulosa cells. We hypothesized that ER stress activation in granulosa-lutein cells (GLCs) would modulate progesterone production and contribute to obesity-associated progesterone deficiency. Pretreatment with an ER stress inducer, tunicamycin or thapsigargin, inhibited human chorionic gonadotropin (hCG)-stimulated progesterone production in cultured human GLCs...
January 1, 2017: Endocrinology
https://www.readbyqxmd.com/read/27631986/progesterone-based-therapy-protects-against-influenza-by-promoting-lung-repair-and-recovery-in-females
#11
Olivia J Hall, Nathachit Limjunyawong, Meghan S Vermillion, Dionne P Robinson, Nicholas Wohlgemuth, Andrew Pekosz, Wayne Mitzner, Sabra L Klein
Over 100 million women use progesterone therapies worldwide. Despite having immunomodulatory and repair properties, their effects on the outcome of viral diseases outside of the reproductive tract have not been evaluated. Administration of exogenous progesterone (at concentrations that mimic the luteal phase) to progesterone-depleted adult female mice conferred protection from both lethal and sublethal influenza A virus (IAV) infection. Progesterone treatment altered the inflammatory environment of the lungs, but had no effects on viral load...
September 2016: PLoS Pathogens
https://www.readbyqxmd.com/read/27420549/association-of-premenstrual-syndrome-with-blood-pressure-in-young-adult-women
#12
Elizabeth R Bertone-Johnson, Serena C Houghton, Brian W Whitcomb, Lynnette L Sievert, Sofija E Zagarins, Alayne G Ronnenberg
OBJECTIVE: The prevalence of hypertension in premenopausal women is increasing. There is substantial need for novel strategies to identify women who would benefit from increased screening and early interventions. Several mechanisms likely contributing to premenstrual syndrome (PMS) are also involved in hypertension, including renin-angiotensin-aldosterone system dysfunction and micronutrient deficiencies. However, it is unknown whether young women with PMS have elevated blood pressure...
November 2016: Journal of Women's Health
https://www.readbyqxmd.com/read/27386819/fractalkine-restores-the-decreased-expression-of-star-and-progesterone-in-granulosa-cells-from-patients-with-polycystic-ovary-syndrome
#13
Shuo Huang, Yanli Pang, Jie Yan, Shengli Lin, Yue Zhao, Li Lei, Liying Yan, Rong Li, Caihong Ma, Jie Qiao
Low progesterone levels are associated with luteal phase deficiency in women with polycystic ovary syndrome (PCOS). The mechanisms regulating progesterone biosynthesis in the granulosa cells from women with PCOS is largely unknown. Fractalkine is expressed in human ovaries, and is reported to regulate progesterone production in granulosa cells of healthy women. In the current study, we aimed to examine the role of fractalkine in women with PCOS. Reduced fractalkine levels were found in follicular fluid and granulosa cells, accompanied by decreased progesterone production and reduced steroidogenic acute regulatory protein (StAR) expression in the granulosa cells of patients with PCOS...
2016: Scientific Reports
https://www.readbyqxmd.com/read/27385360/g-protein-coupled-receptors-as-potential-drug-candidates-in-preeclampsia-targeting-the-relaxin-insulin-like-family-peptide-receptor-1-for-treatment-and-prevention
#14
REVIEW
Kirk P Conrad
BACKGROUND: Important roles for G-protein-coupled receptors (GPCRs) have been identified in the maternal physiological adaptations to pregnancy and in the pathogenesis of preeclampsia. On this basis, GPCRs are potential therapeutic targets for preeclampsia. OBJECTIVES AND RATIONALE: In this review, vasopressin and apelin are initially considered in this context before the focus on the hormone relaxin and its cognate receptor, the relaxin/insulin-like family peptide receptor 1 (RXFP1)...
September 2016: Human Reproduction Update
https://www.readbyqxmd.com/read/27328483/efficacy-of-a-single-injection-of-human-chorionic-gonadotropin-at-peak-follicular-maturation-in-natural-cycles-on-pregnancy-rate-and-mid-luteal-hormonal-and-sonographic-parameters
#15
J H Check, J R Liss, G DiAntonio, D Summers
PURPOSE: To discover if infertile women with presumed luteal phase deficiency would improve pregnancy rates, mid-luteal sera estradiol (E2) and progesterone (P), and increase the percentage of women achieving a mid-luteal sonographic homogeneous hyperechogenic endometrial texture by the addition of a single injection of human chorionic gonadotropin (hCG). MATERIALS AND METHODS: Women with over one year of infertility with regular menses and with no other known infertility factor were presumed to have the need for extra P in the luteal phase based on previous studies...
2016: Clinical and Experimental Obstetrics & Gynecology
https://www.readbyqxmd.com/read/27090598/live-birth-rates-and-safety-profile-using-dydrogesterone-for-luteal-phase-support-in-assisted-reproductive-techniques
#16
Ravichandran Nadarajah, Hemashree Rajesh, Ker Yi Wong, Fazlin Faisal, Su Ling Yu
INTRODUCTION: Assisted reproductive techniques (ARTs) result in a deficient luteal phase, requiring the administration of intramuscular, intravaginal or oral exogenous progesterone. Dydrogesterone, an oral retroprogesterone with good bioavailability, has been used in assisted reproductive cycles with outcomes that are comparable to those of vaginal or intramuscular progesterone. However, there are limited reviews on its use for luteal phase support in ARTs, in terms of pregnancy outcomes and associated fetal anomalies...
June 2017: Singapore Medical Journal
https://www.readbyqxmd.com/read/26800266/dydrogesterone-use-in-early-pregnancy
#17
REVIEW
Fadi Ghazi Mirza, Ameet Patki, Claire Pexman-Fieth
Successful oocyte implantation and a favorable pregnancy outcome rely on optimal progesterone levels. Therefore, progesterone deficiencies associated with infertility and miscarriage have commonly been treated with progestogens that mimic the activity of progesterone. Among those is dydrogesterone, an oral retrosteroid with a structure closely related to that of progesterone yet with a greater bioavailability and higher selectivity for the progesterone receptor. This review describes the efficacy of dydrogesterone for the treatment of threatened and recurrent miscarriage, and infertility due to luteal phase insufficiency...
2016: Gynecological Endocrinology
https://www.readbyqxmd.com/read/26585269/progesterone-administration-for-luteal-phase-deficiency-in-human-reproduction-an-old-or-new-issue
#18
REVIEW
Stefano Palomba, Susanna Santagni, Giovanni Battista La Sala
Luteal phase deficiency (LPD) is described as a condition of insufficient progesterone exposure to maintain a regular secretory endometrium and allow for normal embryo implantation and growth. Recently, scientific focus is turning to understand the physiology of implantation, in particular the several molecular markers of endometrial competence, through the recent transcriptomic approaches and microarray technology. In spite of the wide availability of clinical and instrumental methods for assessing endometrial competence, reproducible and reliable diagnostic tests for LPD are currently lacking, so no type-IA evidence has been proposed by the main scientific societies for assessing endometrial competence in infertile couples...
2015: Journal of Ovarian Research
https://www.readbyqxmd.com/read/26494991/comparison-of-oral-dydrogesterone-with-vaginal-progesteronefor-luteal-support-in-iui-cycles-a-randomized-clinical-trial
#19
Donya Khosravi, Robabeh Taheripanah, Anahita Taheripanah, Vahid Tarighat Monfared, Seyed-Mostafa Hosseini-Zijoud
BACKGROUND: The aim of this study, we have compared the advantages of oral dydrogestrone with vaginal progesterone (cyclogest) for luteal support in intrauterine insemination (IUI) cycles. Progesterone supplementation is the first line treatment when luteal phase deficiency (LPD) can reasonably be assumed. OBJECTIVE: This study was conduct to compare the effect of oral dydrogestrone with vaginal Cyclogest on luteal phase support in the IUI cycles. MATERIALS AND METHODS: This prospective, randomized, double blind study was performed in a local infertility center from May 2013 to May 2014...
July 2015: Iranian Journal of Reproductive Medicine
https://www.readbyqxmd.com/read/26289438/alcohol-intake-reproductive-hormones-and-menstrual-cycle-function-a-prospective-cohort-study
#20
Karen C Schliep, Shvetha M Zarek, Enrique F Schisterman, Jean Wactawski-Wende, Maurizio Trevisan, Lindsey A Sjaarda, Neil J Perkins, Sunni L Mumford
BACKGROUND: Although habitual low-to-moderate alcohol intake has been linked with reduced all-cause mortality and morbidity, the effect of recent alcohol intake on female reproductive function has not been clearly established. OBJECTIVE: We assessed the relation between acute alcohol consumption, reproductive hormones, and markers of menstrual cycle dysfunction including sporadic anovulation, irregular cycle length, luteal phase deficiency, long menses, and heavy blood loss...
October 2015: American Journal of Clinical Nutrition
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