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https://www.readbyqxmd.com/read/28505284/pathogenic-anti-m%C3%A3-llerian-hormone-variants-in-polycystic-ovary-syndrome
#1
Lidija K Gorsic, Gulum Kosova, Brian Werstein, Ryan Sisk, Richard S Legro, M Geoffrey Hayes, Jose M Teixeira, Andrea Dunaif, Margrit Urbanek
CONTEXT: Polycystic ovary syndrome (PCOS), a common endocrine condition, is the leading cause of anovulatory infertility. OBJECTIVE: Given that common disease-susceptibility variants account for only a small percentage of the estimated PCOS heritability, we tested the hypothesis that rare variants contribute to this deficit in heritability. DESIGN, SETTING, AND PARTICIPANTS: Unbiased whole genome sequencing (WGS) of 80 PCOS cases and 24 reproductively normal control women identified potentially deleterious variants in AMH, the gene encoding anti-Müllerian hormone (AMH)...
May 12, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28486704/cost-effectiveness-analysis-of-lifestyle-intervention-in-obese-infertile-women
#2
A M van Oers, M A Q Mutsaerts, J M Burggraaff, W K H Kuchenbecker, D A M Perquin, C A M Koks, R van Golde, E M Kaaijk, J M Schierbeek, N F Klijn, Y M van Kasteren, J A Land, B W J Mol, A Hoek, H Groen
STUDY QUESTION: What is the cost-effectiveness of lifestyle intervention preceding infertility treatment in obese infertile women? SUMMARY ANSWER: Lifestyle intervention preceding infertility treatment as compared to prompt infertility treatment in obese infertile women is not a cost-effective strategy in terms of healthy live birth rate within 24 months after randomization, but is more likely to be cost-effective using a longer follow-up period and live birth rate as endpoint...
May 9, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28479761/immediate-ureterovaginal-fistula-following-oocyte-retrieval-a-case-and-systematic-review-of-the-literature
#3
REVIEW
Elysia Sophie Spencer, Heather S Hoff, Anne Z Steiner, Robert Matthew Coward
The aim of this study is to report a case of acute ureterovaginal fistula (UVF) formation with immediate symptomatic presentation after transvaginal ultrasound-guided oocyte retrieval (TVOR) for in vitro fertilization (IVF) and to perform a systematic literature review of ureteral injuries during TVOR. A 33-year-old woman with a history of anovulatory infertility presented with severe abdominal pain and vaginal leakage immediately following TVOR for IVF. We systematically reviewed the current literature regarding ureteral injury resulting from TVOR and present a case of timely identification and management of a UVF followed by a successful pregnancy...
April 2017: Urology Annals
https://www.readbyqxmd.com/read/28467764/anovulatory-patients-demonstrate-a-sharp-decline-in-lh-levels-upon-gnrh-antagonist-administration-during-ivf-cycles
#4
Linoy Segal, Ofer Fainaru, Shahar Kol
To evaluate the decrease in luteinizing hormone (LH) levels following gonadotropin-releasing hormone (GnRH) antagonist administration in in vitro fertilization (IVF) cycles, data were retrospectively collected from 305 consecutive IVF or intracytoplasmic sperm injection (ICSI) cycles of patients who underwent ovarian stimulation with gonadotropins and were treated with GnRH antagonist for the prevention of premature luteinization. We compared the percent change in LH concentration from stimulation start to that observed before ovulation triggering in patients with or without anovulation...
April 28, 2017: Rambam Maimonides Medical Journal
https://www.readbyqxmd.com/read/28460674/effect-of-extending-fsh-treatment-on-superovulation-and-embryo-production-in-wood-bison-bison-bison-athabascae
#5
J Manuel Palomino, Miriam P Cervantes, Reuben J Mapletoft, Murray R Woodbury, Gregg P Adams
The effect of extending the length of the FSH treatment protocol on superovulatory response and embryo production was investigated in wood bison during the anovulatory and ovulatory seasons. In Experiment 1 (anovulatory season), follicular wave emergence was synchronized by follicular ablation (Day -1) and bison were assigned randomly to two groups (n = 14/group) and given 200 mg FSH on Day 0 and Day 2 (non-extended group), or 133 mg FSH on Days 0, 2, and 4 (extended group). Human chorionic gonadotropin (hCG; 3000 IU) was given on Day 5 and Day 6 in the non-extended and extended groups, respectively, and bison were inseminated 12 and 24 h later...
June 2017: Theriogenology
https://www.readbyqxmd.com/read/28458884/urinary-profiles-of-progestin-and-androgen-metabolites-in-female-polar-bears-during-parturient-and-non-parturient-cycles
#6
Katrina K Knott, Gabriela F Mastromonaco, Megan A Owen, Andrew J Kouba
Due to the environmental and anthropogenic impacts that continue to threaten the reproductive success of polar bears, a more detailed understanding of their reproductive cycle is needed. Captive populations of polar bears provide an excellent opportunity to learn more about the reproductive physiology of the species. Progestin (P4) and androgen (T) metabolites in urine, and their ratio (P4:T), were examined during 11 reproductive cycles of captive female polar bears (n = 4) to characterize the steroid hormone profile during pregnancy and determine possible variations related to reproductive failure...
2017: Conservation Physiology
https://www.readbyqxmd.com/read/28454499/phenotypic-variation-in-anti-mullerian-hormone-amh-production-per-follicle-in-women-with-polycystic-ovary-syndrome-pcos-and-isolated-polycystic-ovarian-morphology-pcom-an-observational-cross-sectional-study
#7
Priya Bhide, Abhijit Kulkarni, Merve Dilgil, Puja Dhir, Amit Shah, Anil Gudi, Roy Homburg
This observational study compares the ratio of serum anti-Mullerian hormone (AMH) to the total antral follicle count (AFC) (as a marker of AMH production per follicle) in the various phenotypes of women with polycystic ovary syndrome (PCOS) and isolated polycystic ovarian morphology (PCOM). Two hundred and sixty-two women were recruited. Women with PCOS were divided into four phenotypes based on the diagnostic inclusion criteria of oligo-anovulation (OA), hyperandrogenism (HA) and polycystic ovarian morphology (PCOM)...
April 28, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/28454491/extension-of-the-clomiphene-citrate-stair-step-protocol-to-gonadotropin-treatment-in-women-with-clomiphene-resistant-polycystic-ovarian-syndrome
#8
Eran Horowitz, David Levran, Ariel Weissman
Our objective was to evaluate the safety and efficacy of direct initiation of gonadotropin ovarian stimulation without prior withdrawal bleeding in anovulatory clomiphene citrate (CC) resistant polycystic ovarian syndrome (PCOS) patients. Eighteen PCOS patients underwent ovulation induction with CC using a stair-step regimen. Patients who failed to respond to the maximal dose of CC initiated gonadotropin stimulation without inducing withdrawal bleeding, using the chronic low dose regimen. The primary outcome measure was the time to ovulation from the beginning of CC treatment until the day of ovulatory trigger...
April 28, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/28437630/modified-natural-cycle-for-embryo-transfer-using-frozen-thawed-blastocysts-a-satisfactory-option
#9
Quoc V Le, Sina Abhari, Omar M Abuzeid, Jennifer DeAnna, Mohamed A Satti, Tarek Abozaid, Iqbal Khan, Mostafa I Abuzeid
OBJECTIVE: To describe pregnancy outcomes of frozen-thawed blastocysts cycles using modified natural cycle frozen embryo transfers (NC-FET) and down-regulated hormonally controlled frozen embryo transfers (HC-FET) protocols. STUDY DESIGN: This retrospective cohort study included all patients undergoing either modified NC-FET or down-regulated HC-FET using frozen-thawed day 5 embryos. Cycles with donor blastocysts were excluded. Four hundred twenty eight patients underwent a total of 493 FET cycles...
April 6, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28434750/integrating-an-automated-activity-monitor-into-an-artificial-insemination-program-and-the-associated-risk-factors-affecting-reproductive-performance-of-dairy-cows
#10
Tracy A Burnett, Augusto M L Madureira, Bruna F Silper, A C C Fernandes, Ronaldo L A Cerri
The aim of this study was to compare 2 reproductive programs for the management of first postpartum artificial insemination (AI) based on activity monitors and timed AI, as well as to determine the effect of health-related factors on detection and expression of estrus. Lactating Holstein cows (n = 918) from 2 commercial farms were enrolled. Estrous cycles of all cows were presynchronized with 2 injections of PGF2α administered 2 wk apart. Treatments were (1) first insemination performed by timed AI (TAI) and (2) first insemination based upon the detection of estrus by activity monitors (ACT; Heatime, SCR Engineering, Netanya, Israel) after the presynchronization, whereas cows not inseminated by the detection of estrus were enrolled in the Ovsynch protocol...
April 20, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28420905/effects-of-supervised-aerobic-training-on-the-levels-of-anti-mullerian-hormone-and-adiposity-measures-in-women-with-normo-ovulatory-and-polycystic-ovary-syndrome
#11
Einas Al-Eisa, Sami Ali Gabr, Ahmad Hieder Alghadir
OBJECTIVE: To evaluate the change in the levels of anti-Mullerian hormone, adiponectin, weight loss and fertility parameters in obese women with or without polycystic ovary syndrome, following 12 weeks of supervised aerobic exercise. METHODS: This study was conducted from August 2013 to October 2014 among obese women with or without polycystic ovary syndrome referred to Obstetrics and Gynecology clinic, Mansoura University Hospital, Faculty of Medicine, Mansoura, Egypt...
April 2017: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/28420801/the-impact-of-laparoscopic-ovarian-drilling-on-amh-ovarian-reserve-a-meta-analysis
#12
Saad Aks Amer, Tarek T El Shamy, Cathryn James, Ali H Yosef, Ahmed Aboelfadle Mohamed
Laparoscopic ovarian drilling (LOD) has been widely utilised as an effective treatment in anovulatory women with polycystic ovarian syndrome (PCOS). However, there has been a growing concern over a possible damaging effect of this procedure on ovarian reserve. The objective of this study was to investigate the hypothesis that LOD compromises ovarian reserve as measured by post-operative changes in circulating anti-Müllerian hormone (AMH). This meta-analysis included all cohort studies as well as randomised controlled trials investigating serum AMH concentrations and other ovarian reserve markers in PCOS women undergoing LOD...
April 18, 2017: Reproduction: the Official Journal of the Society for the Study of Fertility
https://www.readbyqxmd.com/read/28389047/effects-of-ecg-and-progesterone-on-superovulation-and-embryo-production-in-wood-bison-bison-bison-athabascae
#13
J Manuel Palomino, Miriam P Cervantes, Murray R Woodbury, Reuben J Mapletoft, Gregg P Adams
Experiments were done to determine if inclusion of eCG and progesterone in the superstimulation protocol will increase the ovarian response and embryo production in wood bison, and to provide preliminary information regarding the effect of season. In Experiment 1 (anovulatory season), bison (n=26) were synchronized by follicular ablation (Day -1) and given FSH on Days 0 and 2, and assigned to 3 groups: Progesterone (Days 0-4), eCG (Day 3), or progesterone+eCG. On Day 5, bison were given hCG and inseminated 12 and 24h later...
March 29, 2017: Animal Reproduction Science
https://www.readbyqxmd.com/read/28388727/progesterone-receptors-and-proliferation-of-the-endometrium-in-obese-women-with-polycystic-ovary-syndrome-a-lifestyle-intervention-study
#14
Mariana Paulson, Lena Sahlin, Angelica Lindén Hirschberg
Context: Polycystic ovary syndrome (PCOS) is associated with increased risk of endometrial cancer. This is usually explained by chronic anovulation and deficient progesterone activity. However, the role of progesterone receptors (PRs) in endometrial proliferation is unclear. Objective: To evaluate PRs in relation to endometrial proliferation in women with PCOS. Design: Cross-sectional study and lifestyle intervention. Setting: Clinical and laboratory research unit at a university hospital...
April 1, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28359185/rat-s-polycystic-ovary-due-to-intraventromedial-hypothalamus-morphine-injection
#15
Rezvaneh Karimi, Manizheh Karami, MohammadReza Jalali Nadoushan
BACKGROUND AND OBJECTIVE: The most important alkaloid of opium family, morphine, may show unfavorable effect on the reproductive organs. This research investigated the effect of microinjection of morphine into the rat's ventromedial hypothalamus (VMH) on cystic genesis in the ovary and the health of neurons of VMH. MATERIALS AND METHODS: Female rats (Wistar, weighing 200-250 g) kept under standard conditions were cannulated under anesthesia by Stoelting stereotaxic instrument at the coordinates anterior-posterior: -1...
January 1, 2017: Reproductive Sciences
https://www.readbyqxmd.com/read/28340831/pregnancy-and-delivery-in-the-sequel-of-kidney-transplantation-single-center-study-of-8-years-experience
#16
Y Yuksel, S Tekin, D Yuksel, I Duman, M Sarier, L Yucetin, E Turan, H Celep, T Ugurlu, M M Inal, Y H Asuman, A Demirbas
BACKGROUND: Depending on hyphothalamic, hyphophyseal, and gonadal axis dysfunction, anovulatory irregular cycles occur and the probability of pregnancy decreases in the patients with chronic kidney disease (CKD). Maternal mortality and morbidity rates are increased in CKD patients; the risk of premature delivery is 70% and the risk of preeclampsia is 40% more than normal among those with a creatine level of >2.5 mg/dL. METHODS: If a pregnancy is expected in the sequel of kidney transplantation (KT), a multidisciplinary team approach should be adopted and both the gynecologist and the nephrologist should follow the patient simultaneously...
April 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28340751/metal-oxide-based-dispersive-solid-phase-extraction-coupled-with-mass-spectrometry-analysis-for-determination-of-ribose-conjugates-in-human-follicular-fluid
#17
Jie-Mei Chu, Tai-Lang Yin, Shu-Jian Zheng, Jing Yang, Bi-Feng Yuan, Yu-Qi Feng
Polycystic ovary syndrome (PCOS) is the most common cause of anovulatory infertility. The pathogenesis of PCOS remains unclear and early diagnosis of PCOS is challenging. Follicular fluid provides a unique window in the critical processes during oocyte and follicular maturation, and the metabolic level of follicular fluid has important impact on the developmental potential of oocytes and subsequent embryos. Previous studies demonstrated some modified ribonucleosides in biological fluids were diseases related metabolites...
May 15, 2017: Talanta
https://www.readbyqxmd.com/read/28333238/clustering-of-pcos-like-traits-in-naturally-hyperandrogenic-female-rhesus-monkeys
#18
D H Abbott, B H Rayome, D A Dumesic, K C Lewis, A K Edwards, K Wallen, M E Wilson, S E Appt, J E Levine
STUDY QUESTION: Do naturally occurring, hyperandrogenic (≥1 SD of population mean testosterone, T) female rhesus monkeys exhibit traits typical of women with polycystic ovary syndrome (PCOS)? SUMMARY ANSWER: Hyperandrogenic female monkeys exhibited significantly increased serum levels of androstenedione (A4), 17-hydroxyprogesterone (17-OHP), estradiol (E2), LH, antimullerian hormone (AMH), cortisol, 11-deoxycortisol and corticosterone, as well as increased uterine endometrial thickness and evidence of reduced fertility, all traits associated with PCOS...
April 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28324051/androgen-stimulates-growth-of-mouse-preantral-follicles-in-vitro-interaction-with-follicle-stimulating-hormone-and-with-growth-factors-of-the-tgf%C3%AE-superfamily
#19
Mhairi Laird, Kacie Thomson, Mark Fenwick, Jocelyn Mora, Stephen Franks, Kate Hardy
Androgens are essential for the normal function of mature antral follicles but also have a role in the early stages of follicle development. Polycystic ovary syndrome (PCOS), the most common cause of anovulatory infertility, is characterized by androgen excess and aberrant follicle development that includes accelerated early follicle growth. We have examined the effects of testosterone and dihydrotestosterone (DHT) on development of isolated mouse preantral follicles in culture with the specific aim of investigating interaction with follicle-stimulating hormone (FSH), the steroidogenic pathway, and growth factors of the TGFβ superfamily that are known to have a role in early follicle development...
April 1, 2017: Endocrinology
https://www.readbyqxmd.com/read/28323948/dose-dependent-suppression-of-gonadotropins-and-ovarian-hormones-by-elagolix-in-healthy-premenopausal-women
#20
Juki Ng, Kristof Chwalisz, David C Carter, Cheri E Klein
Context: Elagolix is a nonpeptide, oral gonadotropin-releasing hormone (GnRH) antagonist being developed for sex-hormone-dependent diseases in women. Objective: We evaluated the pharmacokinetics and pharmacodynamics of elagolix. Design, Setting, and Participants: This study was a randomized, double-blind, placebo-controlled, multiple-ascending dose study in 45 healthy premenopausal women at a research unit. Interventions: Elagolix [150 mg once daily or 100, 200, 300, or 400 mg twice daily (BID)] or placebo was administered for 21 days...
May 1, 2017: Journal of Clinical Endocrinology and Metabolism
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