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https://www.readbyqxmd.com/read/29037105/the-role-of-female-obesity-on-in-vitro-fertilization-outcomes
#1
Miro Kasum, Slavko Orešković, Ermin Čehić, Albert Lila, Emina Ejubović, Dragan Soldo
The aim of this review is to analyze the role of obesity on fertility outcome in women undergoing in vitro fertilization (IVF) with respect to clinical or live birth rates and pregnancy loss rates. Despite findings from several earlier and newer studies that obesity does not adversely affect pregnancy outcome in women attempting conception, numerous reports from mostly recent studies suggest that obesity undoubtedly impairs IVF outcomes. Obesity impairs ovarian responsiveness to gonadotrophin stimulation, requiring higher doses of medication, increased risk of cycle cancelation, pre-term delivery, low birth weight or miscarriage, and decreases implantation, clinical pregnancy or live birth rates compared to women of normal weight...
October 16, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/28980840/prolactin-receptor-gene-polymorphism-and-the-risk-of-recurrent-pregnancy-loss-a-case-control-study
#2
Jin Ju Kim, Young Min Choi, Sung Ki Lee, Kwang Moon Yang, Eun Chan Paik, Hyeon Jeong Jeong, Jong Kwan Jun, Ae Ra Han, Kyu Ri Hwang, Min A Hong
Since the first study was published reporting the candidate association between the prolactin receptor gene intron C/T polymorphism (rs37389) and recurrent miscarriage, no replication study has been performed. In this study, we investigated the role of the prolactin receptor gene C/T polymorphism in 311 Korean women with recurrent pregnancy loss and 314 controls. Genotyping for prolactin receptor gene intron C/T polymorphism was performed using a TaqMan assay. The significance of difference in the genotype distribution was assessed using a chi-square test, and continuous variables were compared using a Student's t-test...
October 5, 2017: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28931575/case-report-of-clitoral-hypertrophy-in-2-extremely-premature-girls-with-an-ovarian-cyst
#3
Anne-Laure Nerré, Pierre Bétrémieux, Sylvie Nivot-Adamiak
Neonatal clitoromegaly is mainly attributed to in utero androgen exposure secondary to congenital adrenal hyperplasia. We report on 2 extremely premature girls with clitoromegaly, increased androgen levels, no salt wasting syndrome, and ovarian cyst. In case 1, the cyst liquid was aspired during ovarian hernia surgery and revealed high androgen levels. After aspiration, serum androgen levels decreased, as did clitoral size. In case 2, an ovarian cyst was seen on pelvic ultrasound. Aspiration was not indicated...
October 2017: Pediatrics
https://www.readbyqxmd.com/read/28930603/centchroman-a-safe-reversible-postcoital-contraceptive-with-curative-and-prophylactic-activity-in-many-disorders
#4
Ved P Kamboj, Suprabhat Ray, Nitya Anand
Centchroman (INN: Ormeloxifene), a reversible post-coital/weekly oral contraceptive (half-life of about 168 hours), designed and developed at CDRI, Lucknow is the only non-steroidal oral contraceptive in clinical use in the world today. Synthesized in 1967 and completing pre-clinical and clinical studies in 1989, this drug was approved for marketing in 1991, social marketing in 1995 and NFPW in April 2016. It acts by preventing implantation of blastocyst in endometrium. It is the only contraceptive which neither suppresses ovulation nor interferes with the hypothalamic-pituitary-ovarian axis...
January 1, 2018: Frontiers in Bioscience (Elite Edition)
https://www.readbyqxmd.com/read/28867888/efficacy-of-combined-cabergoline-and-metformin-compared-to-metformin-alone-on-cycle-regularity-in-patients-with-polycystic-ovarian-disease-with-hyperprolactinemia-a-randomized-clinical-trial
#5
Mervat Ali Mohamed Elsersy
PURPOSE: Polycystic ovarian syndrome (PCOS) is a common reproductive disorder. Increasing serum prolactin in these patients could be detected in both follicular and luteal phase of the normal and stimulated cycles. Hyperprolactinemia affects the hypothalamic-pituitary-ovarian axis causing anovulation and abnormal uterine bleeding. In this study, the efficacy of combined cabergoline and metformin therapy was compared to metformin therapy alone in patients with PCOS on the body mass index, androgen profile and menstrual cycle regulation...
October 2017: Journal of Obstetrics and Gynaecology of India
https://www.readbyqxmd.com/read/28745464/elite-athletes-and-pubertal-delay
#6
Karina Kapczuk
Intensive physical training and participation in competitive sports during childhood and early adolescence may affect athletes' pubertal development. On the other hand, pubertal timing, early or late, may impact on an athlete selection for a particular sport. Genetic predisposition, training load, nutritional status and psychological stress determine athletes' pubertal timing. Athletes that practice esthetic sports, especially gymnasts, are predisposed to a delay in pubertal development. The growing evidence indicates that energy deficiency, not a systemic training per se, plays a crucial role in the pathogenesis of functional hypothalamic hypogonadism in female athletes...
October 2017: Minerva Pediatrica
https://www.readbyqxmd.com/read/28672284/association-of-concussion-with-abnormal-menstrual-patterns-in-adolescent-and-young-women
#7
Meredith L Snook, Luke C Henry, Joseph S Sanfilippo, Anthony J Zeleznik, Anthony P Kontos
Importance: Brain injury may interrupt menstrual patterns by altering hypothalamic-pituitary-ovarian axis function. Investigators have yet to evaluate the association of concussion with menstrual patterns in young women. Objective: To compare abnormal menstrual patterns in adolescent and young women after a sport-related concussion with those after sport-related orthopedic injuries to areas other than the head (nonhead). Design, Setting, and Participants: This prospective cohort study of adolescent and young women with a sport-related concussion (n = 68) or a nonhead sport-related orthopedic injury (n = 61) followed up participants for 120 days after injury...
September 1, 2017: JAMA Pediatrics
https://www.readbyqxmd.com/read/28596011/emmenagogue-properties-of-milicia-excelsa-welw-c-c-berg-moraceae-based-at-least-in-part-on-its-ability-to-correlate-the-activity-of-the-hypothalamic-pituitary-axis-to-that-of-the-ovaries
#8
Marie Alfrede Mvondo, Aude Jaelle Touomo Sakock, Sylvin Benjamin Ateba, Charline Florence Awounfack, Telesphore Nanbo Gueyo, Dieudonné Njamen
ETHNOPHARMACOLOGICAL RELEVANCE: Milicia excelsa (Welw.) C.C. Berg (Moraceae) is a medicinal plant recommended over tropical Africa as a cure for several ailments including amenorrhea. This is the hallmark of an ovarian lesion or a dysfunction of the hypothalamic-pituitary-ovarian axis which may lead to infertility, osteoporosis or endometrial cancer. However, regardless these traditional claims, no scientific report dealing with emmenagogue properties has been reported yet. AIM OF THE STUDY: To bring scientific evidence to the curative action of the plant, we proposed evaluating the effects of a root aqueous extract of Milicia excelsa on female Wistar rat sexual maturation...
July 12, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28586412/high-fat-diet-and-female-fertility
#9
REVIEW
Natalie M Hohos, Malgorzata E Skaznik-Wikiel
The prevalence of obesity is high among reproductive-age women and is associated with impaired reproductive function. Obesity is multifactorial in origin, yet many cases of obesity result from overconsumption of a diet high in fat. Excess dietary fat increases both adipose and nonadipose tissue lipid content and, through lipotoxicity, leads to cell dysfunction and death. High dietary fat intake, with or without the development of obesity, impairs female hypothalamic-pituitary-ovarian (HPO) axis functionality and fertility...
August 1, 2017: Endocrinology
https://www.readbyqxmd.com/read/28502826/ovarian-sertoli-leydig-cell-tumor-with-elevated-inhibin-b-as-a-cause-of-secondary-amenorrhea-in-an-adolescent-with-germ-line-dicer1-mutation
#10
Amy M Luke, John W Moroney, Andrea Snitchler, Susan L Whiteway
BACKGROUND: Ovarian tumors, although uncommon in children, can retain endocrine function that disrupts normal feedback mechanisms leading to amenorrhea. Inheritance of germline DICER1 mutations can lead to increased risk for development of ovarian Sertoli-Leydig cell tumors (SLCTs). CASE: We report, to our knowledge, the first case of secondary amenorrhea due to elevated inhibin B levels in a female adolescent with an ovarian SLCT. SUMMARY AND CONCLUSION: Ovarian tumors should be included in the differential diagnosis for pediatric patients who present with menstrual irregularities...
October 2017: Journal of Pediatric and Adolescent Gynecology
https://www.readbyqxmd.com/read/28292619/obesity-and-female-infertility-potential-mediators-of-obesity-s-impact
#11
REVIEW
Darcy E Broughton, Kelle H Moley
The worldwide upward trend in obesity has been dramatic, now affecting more than 20% of American women of reproductive age. Obesity is associated with many adverse maternal and fetal effects prenatally, but it also exerts a negative influence on female fertility. Obese women are more likely to have ovulatory dysfunction due to dysregulation of the hypothalamic-pituitary-ovarian axis. Women with polycystic ovarian syndrome who are also obese demonstrate a more severe metabolic and reproductive phenotype. Obese women have reduced fecundity even when eumenorrheic and demonstrate poorer outcomes with the use of in vitro fertilization...
April 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28273958/comparative-study-on-the-estimation-of-estrous-cycle-in-mice-by-visual-and-vaginal-lavage-method
#12
Gnanagurudasan Ekambaram, Senthil Kumar Sampath Kumar, Leena Dennis Joseph
INTRODUCTION: Evaluation of estrous cycle in laboratory animals can be a useful measure of the integrity of hypothalamic-pituitary-ovarian reproductive axis. Assessment of vaginal cytology is crucial to assess the milieu and compare the endocrine status of animals among the experimental groups. AIM: The present study was attempted to compare the estimation of estrous cycle by visual method and non invasive vaginal lavage method. MATERIALS AND METHODS: Sixty healthy female swiss albino mice were used for the present study...
January 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28240193/crh-receptors-in-human-reproduction
#13
Antonis Makrigiannakis, Thomas Vrekoussis, Emmanouel Zoumakis, Iordanis Navrozoglou, Sophia Kalantaridou
Corticotropin releasing hormone (CRH), the main peptide-mediator of stress, has been found in the female reproductive system. Herein, the role of CRH receptors in the female reproductive sysem is presented. It is clear that CRH receptors are involved in the regulation of the hypothalamic-pituitary-ovarian axis, while locally are associated with decidualization, embryonic implantation, early fetal development and triggering of parturition. Abnormal CRH signalling may contribute to obstetrical pathophysiology, such as pre-eclampsia, abnormal placenta invasion, endometrial growth retardation and preterm delivery...
February 23, 2017: Current Molecular Pharmacology
https://www.readbyqxmd.com/read/28183310/animal-models-of-hyperandrogenism-and-ovarian-morphology-changes-as-features-of-polycystic-ovary-syndrome-a-systematic-review
#14
REVIEW
Larissa Paixão, Ramon B Ramos, Anita Lavarda, Debora M Morsh, Poli Mara Spritzer
Polycystic ovary syndrome (PCOS) is a common endocrine disorder, affecting 9-18% of women in reproductive age that causes hyperandrogenism and infertility due to dysfunctional follicular maturation and anovulation. The etiology of PCOS is still poorly known, and information from experimental animal models may help improve current understanding of the mechanisms of PCOS initiation and development. Therefore, we conducted a systematic review of currently available methods for simulation of PCOS in experimental models, focusing on two main endocrine traits: ovarian morphology changes and circulating levels of sex hormones and gonadotropins...
February 10, 2017: Reproductive Biology and Endocrinology: RB&E
https://www.readbyqxmd.com/read/28107821/effects-of-a-single-20%C3%A2-mg-dose-of-letrozole-on-ovarian-function-post-dominant-follicle-selection-an-exploratory-randomized-controlled-trial
#15
RANDOMIZED CONTROLLED TRIAL
H C M Allaway, D R Chizen, G P Adams, R A Pierson
BACKGROUND: Our objective was to explore the impact of a single dose of an aromatase inhibitor (letrozole) administered at defined times of the follicular phase or immediately after ovulation on dominant follicle development, luteogenesis and new follicle wave emergence. METHODS: A prospective pilot study using a randomized complete block, controlled, open label design was conducted at an academic clinical research center. Forty-five healthy, female volunteers (25...
January 21, 2017: Journal of Ovarian Research
https://www.readbyqxmd.com/read/27903446/polycystic-ovary-syndrome-an-under-recognized-cause-of-abnormal-uterine-bleeding-in-adolescents-admitted-to-a-children-s-hospital
#16
Sofya Maslyanskaya, Hina J Talib, Jennifer L Northridge, Amanda M Jacobs, Chanelle Coble, Susan M Coupey
STUDY OBJECTIVE: To evaluate whether ovulatory dysfunction due to polycystic ovary syndrome (PCOS) is a common underlying etiology of abnormal uterine bleeding (AUB) in adolescents who require hospitalization and to explore etiology, treatment, and complications of AUB with severe anemia in adolescents. DESIGN, SETTING, PARTICIPANTS, INTERVENTIONS, AND MAIN OUTCOME MEASURES: We identified female patients aged 8-20 years admitted to a children's hospital for treatment of AUB from January 2000 to December 2014...
June 2017: Journal of Pediatric and Adolescent Gynecology
https://www.readbyqxmd.com/read/27866938/ovulation-induction-in-polycystic-ovary-syndrome-current-options
#17
REVIEW
Richard S Legro
There are a variety of effective treatment options to induce ovulation in women with polycystic ovary syndrome (PCOS). The most effective treatments are primarily reproductive and target the hypothalamic-pituitary-ovarian (HPO) axis. Letrozole, an aromatase inhibitor, is headed toward replacing clomiphene, a selective estrogen receptor modulator, as the first-choice option. Metabolic treatments likely work indirectly through the HPO axis. Many metabolic treatments have shown initial promise and later failed (troglitozone or d-chiro-inositol) or disappointed (metformin); further studies are needed of newer agents to treat type 2 diabetes...
November 2016: Best Practice & Research. Clinical Obstetrics & Gynaecology
https://www.readbyqxmd.com/read/27787478/dysfunctional-uterine-bleeding-as-an-early-sign-of-polycystic-ovary-syndrome-during-adolescence-an-update
#18
REVIEW
Efthimios Deligeoroglou, Vasileios Karountzos
Abnormal uterine bleeding (AUB) is a frequent reason for concern between adolescents. The most common cause of AUB in these girls, when other pathologies have been excluded, is dysfunctional uterine bleeding (DUB). The aim of this review is to assess the role of DUB as an early symptom of polycystic ovarian syndrome (PCOS) diagnosis later in life. A review of the literature was performed, using Pubmed and Medline as primary databases, regarding the correlation between DUB cases early after menarche and PCOS diagnosis in the future...
February 2017: Minerva Ginecologica
https://www.readbyqxmd.com/read/27749734/aging-ovary-and-the-role-for-advanced-glycation-end-products
#19
Magdalena Pertynska-Marczewska, Evanthia Diamanti-Kandarakis
OBJECTIVE: The hypothalamic gonadotropin-releasing hormone pulse generator, the pituitary gonadotropes, the ovaries, and the uterus play a crucial role in female fertility. A decline in reproductive performance represents a complex interplay of actions at all levels of the hypothalamic-pituitary-ovarian axis. Recently, in the field of female reproductive aging attention is drawn to the carbonyl stress theory. Advanced glycation end products (AGEs) contribute directly to protein damage, induce a chain of oxidative stress (OS) reactions, and increase inflammatory reactions...
October 3, 2016: Menopause: the Journal of the North American Menopause Society
https://www.readbyqxmd.com/read/27721027/the-utility-of-routine-ultrasound-in-the-diagnosis-and-management-of-adolescents-with-abnormal-uterine-bleeding
#20
Yael Pecchioli, Lamide Oyewumi, Lisa M Allen, Sari Kives
STUDY OBJECTIVE: Despite the fact that most cases of abnormal uterine bleeding (AUB) in adolescence are due to an immature hypothalamic-pituitary-ovarian (HPO) axis, the current approach to investigating adolescents who present with AUB often includes pelvic ultrasound to exclude rare structural causes. The aim of this study was to determine whether an ultrasound ordered for the investigation of AUB in adolescents detects any significant anatomic pathology or alters diagnosis and management...
April 2017: Journal of Pediatric and Adolescent Gynecology
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