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Gonadotropin in women

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https://www.readbyqxmd.com/read/27933173/a-rare-case-of-gestational-thyrotoxicosis-as-a-cause-of-acute-myocardial-infarction
#1
Varalaxmi Bhavani Nannaka, Dmitry Lvovsky
: Angina pectoris in pregnancy is unusual and Prinzmetal's angina is much rarer. It accounts for 2% of all cases of angina. It is caused by vasospasm, but the mechanism of spasm is unknown but has been linked with hyperthyroidism in some studies. Patients with thyrotoxicosis-induced acute myocardial infarction are unusual and almost all reported cases have been associated with Graves' disease. Human chorionic gonadotropin hormone-induced hyperthyroidism occurs in about 1.4% of pregnant women, mostly when hCG levels are above 70-80 000 IU/L...
2016: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/27922279/clinical-experience-with-an-ovarian-stimulation-protocol-for-intrauterine-insemination-adopting-a-gonadotropin-releasing-hormone-antagonist-at-low-dose
#2
Adalisa Ponzano, Enrica Concetta Colangelo, Lucia Di Biase, Federica Romani, Gian Mario Tiboni
Studies testing the effectiveness of GnRH antagonists in controlled ovarian stimulation (COS) for intrauterine insemination (IUI) have provided controversial results. The present study was undertaken to evaluate, whether the use of a half of the conventional dose of the GnRH antagonist cetrorelix can be effective in increasing the successful rate of IUI cycles. Patients started COS with human menopausal gonadotropin (hMG) on day three of the menstrual cycle. Cetrorelix was started when at least one follicle of ≥14 mm, was detected at the ultrasound scan, according to the flexible multiple daily dose protocol, and continued until the trigger day with recombinant hCG...
December 6, 2016: Gynecological Endocrinology
https://www.readbyqxmd.com/read/27921379/fibroids-that-do-not-distort-the-uterine-cavity-and-ivf-success-rates-an-observational-study-using-extensive-matching-criteria
#3
G Christopoulos, A Vlismas, R Salim, R Islam, G Trew, S Lavery
OBJECTIVE: To assess the impact of non-cavity-distorting fibroids on in vitro fertilisation (IVF) pregnancy outcomes. DESIGN: A retrospective, matched, single-centre, cohort study was performed. SETTING: The IVF unit of a tertiary, university hospital. POPULATION: We analysed all women with non-cavity-distorting uterine fibroids undergoing IVF/intracytoplasmic sperm injection (ICSI) cycles from 1 January 2011 to 1 May 2015...
December 5, 2016: BJOG: An International Journal of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/27912901/individualized-versus-conventional-ovarian-stimulation-for-in%C3%A2-vitro-fertilization-a-multicenter-randomized-controlled-assessor-blinded-phase-3-noninferiority-trial
#4
Anders Nyboe Andersen, Scott M Nelson, Bart C J M Fauser, Juan Antonio García-Velasco, Bjarke M Klein, Joan-Carles Arce
OBJECTIVE: To compare the efficacy and safety of follitropin delta, a new human recombinant FSH with individualized dosing based on serum antimüllerian hormone (AMH) and body weight, with conventional follitropin alfa dosing for ovarian stimulation in women undergoing IVF. DESIGN: Randomized, multicenter, assessor-blinded, noninferiority trial (ESTHER-1). SETTING: Reproductive medicine clinics. PATIENT(S): A total of 1,329 women (aged 18-40 years)...
November 22, 2016: Fertility and Sterility
https://www.readbyqxmd.com/read/27906711/polycystic-ovary-syndrome-in-adolescent-girls
#5
Natalie Hecht Baldauff, Selma Feldman Witchel
PURPOSE OF REVIEW: Polycystic ovary syndrome (PCOS) is a common heterogeneous disorder that appears to have its origins during the peripubertal years. The diagnostic conundrum is that the typical clinical features, irregular menses and acne, occur during normal female puberty. Understanding the physiologic origins and molecular basis of the dysregulated hypothalamic-pituitary-gonadal axis in PCOS is fundamental to interrupting the distinctive vicious cycle of hyperandrogenism and chronic anovulation...
November 30, 2016: Current Opinion in Endocrinology, Diabetes, and Obesity
https://www.readbyqxmd.com/read/27896252/association-between-serum-gonadotropin-level-and-insulin-resistance-related-parameters-in-korean-women-with-polycystic-ovary-syndrome
#6
Chan-Hong Park, Sungwook Chun
OBJECTIVE: To evaluate the relationship between serum gonadotropin level and parameters related to insulin resistance in Korean women with polycystic ovary syndrome (PCOS). METHODS: This retrospective study included 138 women aged 18 to 35 years who were newly diagnosed with PCOS according to the Rotterdam consensus. Participants were divided into three groups based on the serum luteinizing hormone to follicle-stimulating hormone (LH/FSH) ratio in the early follicular phase: group 1 (LH/FSH <1), group 2 (1...
November 2016: Obstetrics & Gynecology Science
https://www.readbyqxmd.com/read/27894033/the-age-related-recurrence-of-endometrioma-after-conservative-surgery
#7
Jong-Wook Seo, Dong-Yun Lee, Byung-Koo Yoon, DooSeok Choi
OBJECTIVE: As endometrioma frequently recurs after conservative surgery, long-term postoperative medical treatment for the prevention of recurrence is necessary. However, it has not been elucidated whether long-term postoperative medical treatment is crucial to all patients until menopause. Thereupon, this study was conducted to evaluate the age-related recurrence patterns after conservative surgery for endometrioma. STUDY DESIGN: A retrospective cohort study was performed on a total of 420 reproductive-aged women who underwent conservative surgery for endometrioma between January 2000 and December 2010...
November 16, 2016: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/27893335/debated-role-of-ovarian-protection-with-gonadotropin-releasing-hormone-agonists-during-chemotherapy-for-preservation-of-ovarian-function-and-fertility-in-women-with-cancer
#8
Matteo Lambertini, Tommaso Falcone, Joseph M Unger, Kelly-Anne Phillips, Lucia Del Mastro, Halle C F Moore
No abstract text is available yet for this article.
November 28, 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/27891402/clinical-analysis-of-ectopic-pregnancies-in-a-tertiary-care-centre-in-southern-india-a-six-year-retrospective-study
#9
S Tahmina, Mary Daniel, Preethy Solomon
INTRODUCTION: Ectopic Pregnancy (EP) is a life-threatening emergency commonly encountered by medical practitioners where diagnosis can often be missed. Any woman in the reproductive age group, presenting with lower abdominal pain or vaginal bleeding must raise the suspicion of an ectopic pregnancy to prevent mortality and morbidity. AIM: To review all cases of EP and determine the incidence of EP. To study the high risk factors and know the types of clinical presentation, methods of diagnosis, outcome and complications...
October 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27887708/pulsatile-gonadotropin-releasing-hormone-therapy-in-persistent-amenorrheic-weight-recovered-anorexia-nervosa-patients
#10
Natacha Germain, Anaïs Fauconnier, Jean-Philippe Klein, Amélie Wargny, Yadh Khalfallah, Chrysoula Papastathi-Boureau, Bruno Estour, Bogdan Galusca
OBJECTIVE: To compare hormonal and clinical responses to GnRH pulsatile treatment in weight-recovered anorexia nervosa patients (Rec-AN) with persistent functional hypothalamic amenorrhea (HA) vs. in patients with secondary and primary HA. DESIGN: Retrospective, observational, ambulatory study. SETTING: University hospital. PATIENT(S): Forty-one women: 19 Rec-AN (body mass index >18.5 kg/m(2) without menses recovery), 15 secondary HA without any eating disorders patients (SHA), and 7 primary HA patients (PHA)...
November 22, 2016: Fertility and Sterility
https://www.readbyqxmd.com/read/27887594/first-trimester-serum-placental-growth-factor-and-hyperglycosylated-human-chorionic-gonadotropin-are-associated-with-pre-eclampsia-a-case-control-study
#11
Elina Keikkala, Sini Koskinen, Piia Vuorela, Hannele Laivuori, Jarkko Romppanen, Seppo Heinonen, Ulf-Håkan Stenman
BACKGROUND: To study whether maternal serum hyperglycosylated human chorionic gonadotropin (hCG-h) improves first trimester prediction of pre-eclampsia when combined with placental growth factor (PlGF), pregnancy-associated plasma protein-A (PAPP-A) and maternal risk factors. METHODS: Gestational-age-adjusted concentrations of hCG, hCG-h, PlGF and PAPP-A were analysed in serum samples by time-resolved immunofluorometric assays at 8-13 weeks of gestation. The case-control study included 98 women who developed pre-eclampsia, 25 who developed gestational hypertension, 41 normotensive women with small-for-gestational-age (SGA) infants and 177 controls...
November 25, 2016: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/27886513/a-potential-role-for-endoplasmic-reticulum-stress-in-progesterone-deficiency-in-obese-women
#12
Nozomi Takahashi, Miyuki Harada, Yasushi Hirota, Lin Zhao, Jerilee Mk Azhary, Osamu Yoshino, Gentaro Izumi, Tetsuya Hirata, Kaori Koga, Osamu Wada-Hiraike, Tomoyuki Fujii, Yutaka Osuga
Obesity in reproductive-aged women is associated with 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...
November 25, 2016: Endocrinology
https://www.readbyqxmd.com/read/27876610/establishing-reference-intervals-for-hcg-in-postmenopausal-women
#13
Khushbu K Patel, Abraham J Qavi, Karl G Hock, Ann M Gronowski
BACKGROUND: Plasma concentrations of human chorionic gonadotropin (hCG) have been shown to increase with age due to pituitary secretion. We previously recommended that an hCG cutoff of 14.0IU/L be used for women ≥55years of age. However, it remains unknown whether concentrations >14.0IU/L can be expected in women with advanced age. Our objectives were to establish plasma hCG reference intervals and correlate follicle stimulating hormone (FSH) and hCG concentrations in postmenopausal females ≥55years...
November 19, 2016: Clinical Biochemistry
https://www.readbyqxmd.com/read/27856496/interrelationships-among-reproductive-hormones-and-antral-follicle-count-in-human-menstrual-cycles
#14
David Mark Robertson, Chel Hee Lee, Angela Baerwald
It is recognised that ovarian factors, including steroid and protein hormones, are critical in the feedback regulation of pituitary gonadotropins; however, their individual contributions are less defined. The aim of this study was to explore the reciprocal relationships between ovarian and pituitary hormones across the normal ovulatory menstrual cycle as women age. FSH, LH, oestradiol, progesterone, inhibin A, inhibin B and anti-mullerian hormone (AMH) were measured in serum collected every 1-3 days across one interovulatory interval (IOI) from 26 healthy women aged 18-50 years...
November 2016: Endocrine Connections
https://www.readbyqxmd.com/read/27854392/association-between-three-dimensional-transvaginal-sonographic-markers-and-outcome-of-pregnancy-of-unknown-location-a-pilot-study
#15
S Reid, B Nadim, T Bignardi, C Lu, W P Martins, G Condous
OBJECTIVE: To assess the accuracy of three-dimensional (3D) transvaginal sonographic (TVS) parameters in predicting the evolution of a pregnancy of unknown location (PUL). METHODS: This was a prospective observational study performed at the early pregnancy unit of a university hospital from September 2008 to June 2012. Women with a positive pregnancy test without any signs of intra- or extrauterine pregnancy at their first TVS examination were considered eligible and a 3D dataset containing the entire uterus was acquired...
November 2016: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/27836979/a-mild-ovarian-stimulation-strategy-in-women-with-poor-ovarian-reserve-undergoing-ivf-a-multicenter-randomized-non-inferiority-trial
#16
M A Youssef, M van Wely, H Al-Inany, T Madani, N Jahangiri, S Khodabakhshi, M Alhalabi, M Akhondi, S Ansaripour, R Tokhmechy, L Zarandi, A Rizk, M El-Mohamedy, E Shaeer, M Khattab, M H Mochtar, F van der Veen
STUDY QUESTION: In subfertile women with poor ovarian reserve undergoing IVF does a mild ovarian stimulation strategy lead to comparable ongoing pregnancy rates in comparison to a conventional ovarian stimulation strategy? SUMMARY ANSWER: A mild ovarian stimulation strategy in women with poor ovarian reserve undergoing IVF leads to similar ongoing pregnancy rates as a conventional ovarian stimulation strategy. WHAT IS KNOWN ALREADY: Women diagnosed with poor ovarian reserve are treated with a conventional ovarian stimulation strategy consisting of high-dose gonadotropins and pituitary downregulation with a long mid-luteal start GnRH-agonist protocol...
November 11, 2016: Human Reproduction
https://www.readbyqxmd.com/read/27831635/short-gonadotropin-releasing-hormone-agonist-versus-flexible-antagonist-versus-clomiphene-citrate-regimens-in-poor-responders-undergoing-in-vitro-fertilization-a-randomized-controlled-trial
#17
M Schimberni, F Ciardo, M Schimberni, A Giallonardo, V De Pratti, M Sbracia
OBJECTIVE: Poor responders represent a frustrating condition for couples undergoing IVF and clinicians, and their treatment remains disputed. To assess the efficacy and the most suitable protocol, we conducted a randomized controlled trial comparing three different protocols of ovarian stimulation in poor responder women: clomiphene citrate (CC) plus a high dose of gonadotropins and GnRH antagonist, flexible GnRH antagonist protocol and a short GnRH agonist protocol. PATIENTS AND METHODS: Between July 2014 and December 2015 we enrolled 250 poor responders in a previous IVF cycle at least 3 months before...
October 2016: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/27821978/gestational-trophoblastic-neoplasia-experience-from-a-tertiary-care-center-of-india
#18
Ansar Hussain, Sheikh Aejaz Aziz, Gul Mohd Bhatt, A R Lone, Hk Imran Hussain, Burhan Wani, Nadeem Qazi
AIMS: Gestational trophoblastic neoplasia (GTN) comprise a spectrum of interrelated conditions originating from the placenta. With sensitive assays for human chorionic gonadotropin (β-hCG) and current approaches to chemotherapy, most women with GTN can be cured with preservation of reproductive potential. The purpose of this analysis was to address the outcome of GTN in patients from a tertiary care center of India. MATERIALS AND METHODS: We undertook a retrospective and prospective review of GTN cases treated at our center over a period of 7 years from 2008 to 2014...
December 2016: Journal of Obstetrics and Gynaecology of India
https://www.readbyqxmd.com/read/27817037/effect-of-body-mass-index-on-the-outcomes-of-controlled-ovarian-hyperstimulation-in-chinese-women-with-polycystic-ovary-syndrome-a-multicenter-prospective-observational-study
#19
Yan Sheng, Guangxiu Lu, Jiayin Liu, Xiaoyan Liang, Yanping Ma, Xuehong Zhang, Songying Zhang, Yingpu Sun, Yun Sun, Wenfeng Chen, Wenhui Fang, Zijiang Chen
PURPOSE: The purpose of the present study is to explore the influence of body mass index (BMI) on outcomes of in vitro fertilization/intracytoplasmic sperm injection (IVF/ICSI) techniques in Chinese women with polycystic ovary syndrome (PCOS). METHODS: This was a multicenter, prospective, observational study that enrolled 800 subjects with PCOS from nine hospitals in China. Patients were categorized according to BMI categories: underweight, <18.5 kg/m(2); normal, 19-23...
November 5, 2016: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/27816236/elevated-circulating-micro-ribonucleic-acid-mirna-200b-and-mirna-429-levels%C3%A2-in-anovulatory-women
#20
Iris Eisenberg, Neta Nahmias, Michal Novoselsky Persky, Caryn Greenfield, Debra Goldman-Wohl, Arye Hurwitz, Ronit Haimov-Kochman, Simcha Yagel, Tal Imbar
OBJECTIVE: To study the role of micro-RNA (miRNA)-200b and miRNA-429 in human ovulation and to measure their expression levels in ovulatory and anovulatory patients. DESIGN: Micro-RNA-200b and miRNA-429 expression analysis in human serum and granulosa cells at different phases of the ovulation cycle in normal cycling women and women undergoing assisted reproductive technology cycles. SETTING: University-affiliated hospital and academic research laboratory...
November 2, 2016: Fertility and Sterility
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