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pregnancy endocrinology

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https://www.readbyqxmd.com/read/28458884/urinary-profiles-of-progestin-and-androgen-metabolites-in-female-polar-bears-during-parturient-and-non-parturient-cycles
#1
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/28381449/endocrinology-in-pregnancy-case-series-and-review-of-literature-pheochromocytoma-in-pregnancy
#2
Kim van der Weerd, Charlotte van Noord, Martine Loeve, Maarten F C M Knapen, Willy Visser, Wouter de Herder, Gaston J H Franssen, Caroline D van der Marel, Richard A Feelders
Pheochromocytoma in pregnancy is extremely rare. Early recognition is crucial as antepartum diagnosis can largely decrease maternal and fetal mortality rates. As symptoms of pheochromocytoma are rather similar to those of other far more common causes of hypertension during pregnancy, timely diagnosis is a challenge. In pregnant patients, similar to non-pregnant patients, increased plasma and/or 24h-urine (nor)metanephrine concentrations most reliably confirm the diagnosis pheochromocytoma. MRI and ultrasound are the only imaging modalities that can be used safely during pregnancy to localize the tumor...
April 5, 2017: European Journal of Endocrinology
https://www.readbyqxmd.com/read/28377377/mechanisms-in-endocrinology-neurodevelopmental-disorders-in-children-born-to-mothers-with-thyroid-dysfunction-evidence-of-fetal-programming
#3
Stine Linding Andersen, Allan Carle, Jesper Scot Karmisholt, Inge Bülow Pedersen, Stig Andersen
Fetal programming is a long-standing, but still evolving, concept that links exposures during pregnancy to the later development of disease in the offspring. A fetal programming effect has been considered within different endocrine axes and in relation to different maternal endocrine diseases. In this critical review, we describe and discuss the hypothesis of fetal programming by maternal thyroid dysfunction in the context of fetal brain development and neurodevelopmental disorders in the offspring. Thyroid hormones are important regulators of early brain development, and evidence from experimental and observational human studies have demonstrated structural and functional abnormalities in the brain caused by lack or excess of thyroid hormone during fetal brain development...
April 4, 2017: European Journal of Endocrinology
https://www.readbyqxmd.com/read/28367299/low-dose-urinary-human-chorionic-gonadotropin-is-effective-for-oocyte-maturation-in-in-vitro-fertilization-intracytoplasmic-sperm-injection-cycles-independent-of-body-mass-index
#4
Luis R Hoyos, Sana Khan, Jing Dai, Manvinder Singh, Michael P Diamond, Elizabeth E Puscheck, Awoniyi O Awonuga
BACKGROUND: Currently, there is no agreement on the optimal urinary derived human chorionic gonadotropin (u-hCG) dose requirement for initiating final oocyte maturation prior to oocyte collection in in vitro fertilization (IVF), but doses that range from 2500- 15000 IU have been used. We intended to determine whether low dose u-hCG was effective for oocyte maturation in IVF/intracytoplasmic sperm injection (ICSI) cycles independent of body mass index (BMI). MATERIALS AND METHODS: We retrospectively evaluated a cohort of 295 women who underwent their first IVF/ICSI cycles between January 2003 and December 2010 at the Division of Reproductive Endocrinology and Infertility, Wayne State University, Detroit, MI, USA...
April 2017: International Journal of Fertility & Sterility
https://www.readbyqxmd.com/read/28346969/the-comparison-of-laparoscopic-and-microsurgical-varicocoelectomy-in-infertile-men-with-varicocoele-on-paternity-rate-12%C3%A2-months-after-surgery-a-prospective-randomized-controlled-trial
#5
RANDOMIZED CONTROLLED TRIAL
P Bryniarski, P Taborowski, P Rajwa, Z Kaletka, M Życzkowski, A Paradysz
The best surgical approach for varicocoelectomy is still unknown, however more and more physicians favour subinguinal microsurgery. The aim of this study was to find whether microsurgical approach is superior to laparoscopic varicocoelectomy in terms of pregnancy rate, fertility potential, endocrinological function of the testis, erectile dysfunction and testicle volume increase. It was a prospective, non-masked, parallel-group randomized controlled trial with one to one allocation. It was conducted at authors' institution and designed as per protocol study...
May 2017: Andrology
https://www.readbyqxmd.com/read/28292614/embryo-transfer-simulation-improves-pregnancy-rates-and-decreases-time-to-proficiency-in-reproductive-endocrinology-and-infertility-fellow-embryo-transfers
#6
Ryan J Heitmann, Micah J Hill, John M Csokmay, Justin Pilgrim, Alan H DeCherney, Shad Deering
OBJECTIVE: To design and evaluate an ET simulator to train Reproductive Endocrinology and Infertility (REI) fellows' techniques of ET. DESIGN: Simulation model development and retrospective cohort analysis. SETTING: Not applicable. PATIENT(S): Patients undergoing IVF. INTERVENTION(S): Simulation model evaluation and implementation of ET simulation training. MAIN OUTCOME MEASURE(S): Pregnancy rates...
March 11, 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28276192/the-pregnancy-outcome-of-progestin-primed-ovarian-stimulation-using-4-versus-10%C3%A2-mg-of-medroxyprogesterone-acetate-per-day-in-infertile-women-undergoing-in%C3%A2-vitro-fertilisation-a-randomised-controlled-trial
#7
J Dong, Y Wang, W R Chai, Q Q Hong, N L Wang, L H Sun, H Long, L Wang, H Tian, Q F Lyu, X F Lu, Q J Chen, Y P Kuang
OBJECTIVE: To investigate the clinical outcome and endocrinological characteristics of progestin-primed ovarian stimulation (PPOS) using 4 versus 10 mg of medroxyprogesterone acetate (MPA) per day in infertile women with normal ovary reserve. DESIGN: A randomised parallel controlled trial. SETTING: Tertiary-care academic medical centre. PARTICIPANTS: A cohort of 300 infertile women undergoing in vitro fertilisation (IVF)/intracytoplasmic sperm injection (ICSI) treatment...
June 2017: BJOG: An International Journal of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28228319/optimizing-natural-fertility-a%C3%A2-committee-opinion
#8
(no author information available yet)
This Committee Opinion provides practitioners with suggestions for optimizing the likelihood of achieving pregnancy in couples/individuals attempting conception who have no evidence of infertility. This document replaces the document of the same name previously published in 2013, Fertil Steril 2013;100(3):631-7.
January 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28217518/a-2016-clinical-practice-pattern-in-the-management-of-primary-hypothyroidism-among-doctors-from-different-clinical-specialties-in-new-delhi
#9
Vineet Surana, Sameer Aggarwal, Deepak Khandelwal, Rajiv Singla, Saptarshi Bhattacharya, Sachin Chittawar, Sanjay Kalra, Deep Dutta
BACKGROUND: This study aimed to document practices in managing hypothyroidism among doctors in New Delhi, with special focus on subclinical hypothyroidism, pregnancy, and old age, and to compare it with global practices. METHODS: During an academic program attended by 394 doctors, all participants were given a questionnaire designed based on thyroid practices survey done by Burch et al. to evaluate the practice patterns. Questions were based on evaluating doctor's preferred choices in diagnosis, therapy, and follow-up of hypothyroidism in different scenarios...
January 2017: Indian Journal of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28176826/annexin-a5-organized-in-2d-network-at-the-plasmalemma-eases-human-trophoblast-fusion
#10
Severine A Degrelle, Pascale Gerbaud, Ludovic Leconte, Fatima Ferreira, Guillaume Pidoux
Only a limited number of human cells can fuse to form a multinucleated syncytium. Cell fusion occurs as part of the differentiation of some cell types, including myotubes in muscle and osteoclasts in remodeling bone. In the differentiation of the human placenta, mononuclear cytotrophoblasts aggregate and fuse to form endocrinologically active, non-proliferative, multinucleated syncytia. These syncytia allow the exchange of nutrients and gases between the maternal and fetal circulation. Alteration of syncytial formation during pregnancy affects fetal growth and the outcome of the pregnancy...
February 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28162192/-the-454th-case-a-29-week-pregnant-woman-with-abdominal-pain-hyperlipemia-and-multiorgan-dysfunction
#11
D Wu, J Xu, J M Peng, L K Ma, S Chen, X G Li, T P Zhang, J M Qian
A 32 year-old woman in the third trimester of pregnancy was admitted for severe acute pancreatitis due to hypertriglyceridemia. During hospitalization she developed multiorgan dysfunction, infected pancreatic necrosis, abdominal compartment syndrome and intrauterine fetal death. She was successfully treated by multidisciplinary team including department of emergency medicine, ICU, gastroenterology, obstetrics, endocrinology, ultrasonography, radiology, infectious disease, nutrition and surgery.
February 1, 2017: Zhonghua Nei Ke za Zhi [Chinese Journal of Internal Medicine]
https://www.readbyqxmd.com/read/28012859/endogenous-opiates-and-behavior-2015
#12
REVIEW
Richard J Bodnar
This paper is the thirty-eighth consecutive installment of the annual review of research concerning the endogenous opioid system. It summarizes papers published during 2015 that studied the behavioral effects of molecular, pharmacological and genetic manipulation of opioid peptides, opioid receptors, opioid agonists and opioid antagonists. The particular topics that continue to be covered include the molecular-biochemical effects and neurochemical localization studies of endogenous opioids and their receptors related to behavior, and the roles of these opioid peptides and receptors in pain and analgesia, stress and social status, tolerance and dependence, learning and memory, eating and drinking, drug abuse and alcohol, sexual activity and hormones, pregnancy, development and endocrinology, mental illness and mood, seizures and neurologic disorders, electrical-related activity and neurophysiology, general activity and locomotion, gastrointestinal, renal and hepatic functions, cardiovascular responses, respiration and thermoregulation, and immunological responses...
February 2017: Peptides
https://www.readbyqxmd.com/read/27994298/relationship-between-genotype-variants-follicle-stimulating-hormone-receptor-gene-polymorphisms-fshr-and-morphology-of-oocytes-prior-to-icsi-procedures
#13
Zafer Gashi, Shkelzen Elezaj, Afrim Zeqiraj, Driton Grabanica, Isak Shabani, Bujar Gruda, Fitore Gashi
INTRODUCTION: This study investigated association of Asn680Ser FSHR polymorphism with the ovarian response in 104 women of Albanian ethnic population enrolled in ICSI program. The reason of infertility in all cases has been identified as male factor. METHODS: Analysis of the Asn680Ser polymorphism was performed using TaqMan(®) SNP Genotyping Assay. Clinical and endocrinologic parameters were analyzed based on the genotype, age, BMI, oocyte yield, number of transferred embryos and pregnancy rate...
October 2016: Medical Archives
https://www.readbyqxmd.com/read/27882768/-adrenocortical-oncocytoma-presenting-as-cushing%C3%A2-s-syndrome-in-pregnancy-with-spontaneous-postpartum-uterine-rupture
#14
M Kotoulová, I Mikysková, J Dušková, J Vláčil, M Dvořák, M Halaška
OBJECTIVE: The description of rare case of the Cushings syndrome in pregnancy resulting in the spontaneous rupture of uterus. DESIGNS: A case report. SETTING: Department of Gynecology and Obstetrics, 1st Medical Faculty of Charles University and Hospital Na Bulovce. CASE REPORT: The authors report the case of a 33 year old woman, who was admitted to the clinic in 30th week of pregnancy for elevated blood pressure and hypokalemia...
2016: Ceská Gynekologie
https://www.readbyqxmd.com/read/27843806/a-2016-italian-survey-about-the-clinical-use-of-selenium-in-thyroid-disease
#15
Roberto Negro, Roberto Attanasio, Franco Grimaldi, Claudio Marcocci, Rinaldo Guglielmi, Enrico Papini
BACKGROUND: Selenium (Se) is a trace element that plays key roles in thyroid physiology. Se deficiency is associated with increased risk of thyroid disease. Some evidence suggests that Se supplementation may be beneficial in autoimmune thyroid disease (either hypo- or hyperthyroidism). OBJECTIVES: We sought to examine the use of Se in daily clinical practice among Italian endocrinologists. METHODS: Members of the Associazione Medici Endocrinologi (AME) were invited to participate in a web-based survey investigating the use of Se in different clinical conditions...
September 2016: European Thyroid Journal
https://www.readbyqxmd.com/read/27779622/mothers-do-it-differently-reproductive-experience-alters-fear-extinction-in-female-rats-and-women
#16
J S Milligan-Saville, B M Graham
Fear extinction is the laboratory basis of exposure therapy for anxiety disorders. Recent findings have revealed that estradiol is necessary to the consolidation of extinction memories in females. These findings are based on studies conducted using virgin rats and young women whose reproductive history is unknown. We hypothesized that motherhood, which results in extensive endocrinological, neurobiological and behavioral changes, may lead to alterations in fear extinction in females. We used a cross-species translational approach to investigate the impact of reproductive experience on fear extinction and fear relapse in female rats (n=116) and women (n=64)...
October 25, 2016: Translational Psychiatry
https://www.readbyqxmd.com/read/27743688/puberty-ovarian-cycle-pregnancy-and-postpartum-ovulation-in-captive-sichuan-golden-monkeys-rhinopithecus-roxellana-based-on-changes-in-urinary-and-fecal-gonadal-steroid-metabolites
#17
Muren, Satoshi Kusuda, Osamu Doi, Hitomi Naito, Hisashi Hashikawa
The purpose of this study was to evaluate the reproductive status and clarify the reproductive physiology of captive Sichuan golden monkeys. The concentrations of urinary estradiol-3-glucuronide (E2G) and pregnanediol-glucuronide (PdG) or fecal estradiol-17β (E2) and PdG in two females, and fecal testosterone concentrations in a male, were measured continuously using enzyme immunoassays. On the basis of these hormone profiles, the follicular phase, luteal phase, and ovarian cycle were calculated to be 14.7 ± 4...
January 1, 2017: Theriogenology
https://www.readbyqxmd.com/read/27736313/hormonal-replacement-in-hypopituitarism-in-adults-an-endocrine-society-clinical-practice-guideline
#18
Maria Fleseriu, Ibrahim A Hashim, Niki Karavitaki, Shlomo Melmed, M Hassan Murad, Roberto Salvatori, Mary H Samuels
OBJECTIVE: To formulate clinical practice guidelines for hormonal replacement in hypopituitarism in adults. PARTICIPANTS: The participants include an Endocrine Society-appointed Task Force of six experts, a methodologist, and a medical writer. The American Association for Clinical Chemistry, the Pituitary Society, and the European Society of Endocrinology co-sponsored this guideline. EVIDENCE: The Task Force developed this evidence-based guideline using the Grading of Recommendations, Assessment, Development, and Evaluation system to describe the strength of recommendations and the quality of evidence...
November 2016: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/27734685/-iodine-supply-of-pregnant-women-in-the-czech-republic
#19
Radovan Bílek, Nataša Kaňová, Veronika Mindžáková, David Neumann, Jan Jiskra, Lydie Ryšavá, Václav Zamrazil
INTRODUCTION: Iodine deficiency is a global public health problem which is particularly noticeable in pregnant or breastfeeding women and their children. Even mild iodine deficiency during pregnancy can lead to damage to the developing brain and thus affecting the fetus intelligence, his cognitive and neurological function, embryogenesis and growth. PATIENTS: In the period 2010-2015 was determined by spectrophotometry at the Institute of Endocrinology the basal urinary iodine in 532 pregnant women at the age of 32 ± 5 (18-44) years, which came from Prague, Hradec Kralove and Mlada Boleslav...
2016: Vnitr̆ní Lékar̆ství
https://www.readbyqxmd.com/read/27731904/chinese-herbal-medicine-for-subfertile-women-with-polycystic-ovarian-syndrome
#20
REVIEW
Kunyan Zhou, Jing Zhang, Liangzhi Xu, Taixiang Wu, Chi Eung Danforn Lim
BACKGROUND: Polycystic ovarian syndrome (PCOS) is one of the most common reproductive endocrinology abnormalities, and affects 5% to 10% of women of reproductive age. Western medicines, such as oral contraceptives, insulin sensitizers and laparoscopic ovarian drilling (LOD), have been used to treat PCOS. Recently, many studies have been published that consider Chinese herbal medicine (CHM) as an alternative treatment for women with PCOS. OBJECTIVES: To assess the efficacy and safety of CHM for subfertile women with PCOS...
October 12, 2016: Cochrane Database of Systematic Reviews
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