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Gonadotropin in women

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https://www.readbyqxmd.com/read/29050014/a-real-life-analysis-of-reproductive-outcome-after-fertility-preservation-in-female-cancer-patients
#1
Sofie Hulsbosch, Martin Koskas, Carla Tomassetti, Petra De Sutter, Hans Wildiers, Patrick Neven, Thomas D'Hooghe, Frederic Amant
BACKGROUND: Fertility preservation before or during cancer treatment in young women has become an important health issue because of delayed motherhood and improved survival rates. This study evaluates the necessity and the efficacy of fertility preservation, with a focus on actual pregnancy wish and outcome after fertility preservation and cancer treatment. PATIENTS AND METHODS: All consecutive patients who received fertility preservation in 2 university referral centers before or during cancer treatment were included...
October 20, 2017: Gynecologic and Obstetric Investigation
https://www.readbyqxmd.com/read/29044511/second-trimester-levels-of-fetoplacental-hormones-among-women-with-placenta-accreta-spectrum-disorders
#2
Marina Pekar-Zlotin, Yaakov Melcer, Ron Maymon, Eric Jauniaux
Human chorionic gonadotropin (hCG) and its free β-subunit (β-hCG) are exclusively synthesized by the villous trophoblast. α-Fetoprotein (AFP) is synthesized by the secondary yolk sac and fetal liver. Levels of both hormones differ between women with placenta accreta spectrum (PAS) disorders and those with non-accreta previa.(1,2) Second-trimester maternal serum levels of AFP are increased,(1) and first-trimester serum β-hCG is decreased in women with PAS,(2) compared with those with non-accreta placenta previa...
October 17, 2017: International Journal of Gynaecology and Obstetrics
https://www.readbyqxmd.com/read/29040622/neurokinin-b-regulates-gonadotropin-secretion-ovarian-follicle-growth-and-the-timing-of-ovulation-in-healthy-women
#3
Karolina Skorupskaite, Jyothis T George, Johannes D Veldhuis, Richard A Anderson
Context: Neurokinin B (NKB) is obligate for human puberty, but its role in adult female gonadotropin secretion and ovarian follicle growth is unknown. Objective: To investigate antagonism of NKB on pulsatile GnRH/LH secretion and ovarian follicle development in normal women. Design: Open investigation of the effects of a neurokinin-3 receptor antagonist (NK3Ra) vs no treatment control cycle. Setting: Clinical Research Facility...
October 12, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29039178/-potential-clinical-application-of-kisspeptin-in-reproductive-endocrinology
#4
Yanling Fu, Yimin Zhu
Gonadotropin-releasing hormone (GnRH) plays an important role in the process of reproduction. Studies have shown that a family of peptides Kisspeptin can act on GnRH-related neurons, stimulating the secretion of GnRH, and activating the hypothalamic-pituitary-gonadal axis. Both animal experiments and clinical studies have shown that exogenous administration of Kisspeptin is able to induce physiological GnRH release in healthy individuals and those with endocrine-disorders, which brings great hope for treatment of reproductive endocrine diseases...
May 25, 2017: Zhejiang da Xue Xue Bao. Yi Xue Ban, Journal of Zhejiang University. Medical Sciences
https://www.readbyqxmd.com/read/29036809/role-of-fshr-rs6165-and-esr2-rs4986938-polymorphisms-in-ovarian-stimulation-of-iranian-women-who-underwent-assisted-reproduction-treatment
#5
Maryam Kaviani, Sayyed Mohammad Hossein Ghaderian, Soheila Arefi, Mehrdad Hashemi, Sarah Sadat Aghabozorg Afjeh
BACKGROUND: Gonadotropin therapy was used to stimulate the ovary in infertile women who underwent assisted reproduction treatment (ART). Numerous studies indicated that infertile women showed different responses to gonadotropin therapy. Follicle stimulating hormone receptor (FSHR) and Oestrogen receptor (ER) polymorphisms have been reported to involve induction of folliculogenesis and ovarian response to treatment. METHODS: In the present study, two polymorphisms, namely FSHR rs6165 and ESR2 rs4986938, were investigated in 198 Iranian infertile women aged less than 39 years who underwent ART...
September 29, 2017: Human Antibodies
https://www.readbyqxmd.com/read/29034302/comparison-of-two-immunoassay-systems-for-hcg%C3%AE-and-papp-a-in-prenatal-screening-for-trisomy-21-18-and-13-in-the-first-trimester
#6
Anna Elise Engell, Elin Rebecka Carlsson, Finn Stener Jørgensen, Steen Sørensen
OBJECTIVES: The biochemical serum markers free β-human chorionic gonadotropin (hCGβ) and pregnancy associated plasma protein A (PAPP-A), used in screening for trisomy 21 (T21), trisomy 18 (T18), and trisomy 13 (T13) during the first trimester, can be measured on different laboratory instruments e.g. Kryptor (Brahms) and Cobas (Roche). We compared the performance of these two analytical instruments when used for first trimester combined testing. DESIGN AND METHODS: Serum samples from 944 singleton pregnant women attending for first trimester combined testing were routinely assayed for hCGβ and PAPP-A on Kryptor, and re-analyzed on Cobas...
December 2017: Pract Lab Med
https://www.readbyqxmd.com/read/29033610/a-pilot-randomized-controlled-clinical-trial-of-second-uterine-curettage-versus-usual-care-to-determine-the-effect-of-re-curettage-on-patients-need-for-chemotherapy-among-women-with-low-risk-nonmetastatic-gestational-trophoblastic-neoplasm-in-urmia-iran
#7
Haleh Ayatollahi, Zahra Yekta, Elnaz Afsari
OBJECTIVE: The objective of this study was to determine if second curettage was associated with a decreased need for the number of chemotherapy treatments compared to usual care. METHODS: A pilot randomized controlled clinical trial was designed at Motahhari Referral Hospital in 2014. Fifty-two patients with low risk, nonmetastatic gestational trophoblastic neoplasm were assigned randomly to two arms. The interventional arm included a repeat uterine curettage, and the control group received standard care (chemotherapy)...
2017: International Journal of Women's Health
https://www.readbyqxmd.com/read/29026721/expression-of-the-genes-for-peroxisome-proliferator-activated-receptor-%C3%AE-cyclooxygenase-2-and-proinflammatory-cytokines-in-granulosa-cells-from-women-with-polycystic-ovary-syndrome
#8
Joong Yeup Lee, Jin Cheol Tae, Chung Hyon Kim, Doyeong Hwang, Ki Chul Kim, Chang Suk Suh, Seok Hyun Kim
OBJECTIVE: To identify differences in the expression of the genes for peroxisome proliferator-activated receptor (PPAR)-γ, cyclooxygenase (COX)-2, and the proinflammatory cytokines interleukin (IL)-6 and tumor necrosis factor (TNF)-α in granulosa cells (GCs) from polycystic ovary syndrome (PCOS) patients and controls undergoing controlled ovarian stimulation. METHODS: Nine patients with PCOS and six controls were enrolled in this study. On the day of oocyte retrieval, GCs were collected from pooled follicular fluid...
September 2017: Clinical and Experimental Reproductive Medicine
https://www.readbyqxmd.com/read/29022126/a-systematic-review-of-cortisol-thyroid-stimulating-hormone-and-prolactin-in-peripartum-women-with-major-depression
#9
REVIEW
Mercedes J Szpunar, Barbara L Parry
Pregnancy and postpartum are periods of high susceptibility to major depression (MD) and other mood disorders. The peripartum period is also a time of considerable changes in the levels of hormones, including cortisol, thyroid-stimulating hormone (TSH), prolactin, gonadotropins, and gonadal steroids. To investigate the relationship between mood and hormonal changes during and after pregnancy, we reviewed published reports of hormonal measures during this time frame, searched via PubMed and Web of Science. Studies were included if women in the antepartum or postpartum periods were clinically diagnosed with MD, and if there were repeated measures of cortisol, TSH, or prolactin...
October 11, 2017: Archives of Women's Mental Health
https://www.readbyqxmd.com/read/29017436/role-of-markov-modeling-approaches-to-understand-the-impact-of-infertility-treatments
#10
Arni S R Srinivasa Rao, Michael P Diamond
We are proposing to use Markov modeling type of analysis to understand data generated by treatments for infertility in women receiving ovarian stimulations. We describe the conceptual novelties, need for such an analysis, basics of the proposed methods, and theoretical constructions of various probabilities associated with practical level implementation of the Markov modeling procedures. This method can be adopted to infertility-related data visualizations whenever progression of outcome stages in infertility treatment is recorded...
November 2017: Reproductive Sciences
https://www.readbyqxmd.com/read/28993961/predictive-factors-for-live-birth-after-in-vitro-maturation-of-oocytes-in-women-with-polycystic-ovary-syndrome
#11
Samer Tannus, Safak Hatirnaz, Justin Tan, Baris Ata, Seang-Lin Tan, Ebru Hatirnaz, Mine Kenat-Pektas, Michael-Haim Dahan
OBJECTIVE: In vitro maturation (IVM) of human oocytes can be an alternative treatment option to conventional in vitro fertilization. Women with polycystic ovary syndrome (PCOS) are considered the classical candidates for IVM because of the associated ovarian morphology and because IVM diminishes the risk of developing ovarian hyperstimulation syndrome. The objective of this study was to identify predictive factors for live birth in a cohort of women with PCOS who underwent IVM. METHODS: This retrospective study included 159 patients with PCOS who had IVM cycles in which single or double embryo transfer was performed...
October 9, 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/28989921/gonadotropin-releasing-hormone-antagonist-administration-for-treatment-of-early-type-severe-ovarian-hyperstimulation-syndrome-a-case-series
#12
Dayong Lee, Se Jeong Kim, Yeon Hee Hong, Seul Ki Kim, Byung Chul Jee
OBJECTIVE: To report an efficacy of gonadotropin releasing hormone (GnRH) antagonist administration after freezing of all embryos for treatment of early type ovarian hyperstimulation syndrome (OHSS). METHODS: In 10 women who developed fulminant early type OHSS after freezing of all embryos, GnRH antagonist (cetrorelix 0.25 mg per day) was started at the time of hospitalization and continued for 2 to 4 days. Fluid therapy and drainage of ascites was performed as usual...
September 2017: Obstetrics & Gynecology Science
https://www.readbyqxmd.com/read/28989918/serum-%C3%AE-hcg-concentration-is-a-predictive-factor-for-successful-early-medical-abortion-with-vaginal-misoprostol-within-24-hours
#13
Jung In Kim, In Yang Park, Jung Mi Yim, Ju Young Cheon, Hang Goo Yun, Ji Young Kwon
OBJECTIVE: To evaluate the predictive factors associated with the success of medical abortion by misoprostol monotherapy within 24 hours in the first trimester of pregnancy. METHODS: The records of 228 women with miscarriage up to 11 weeks of gestational age who underwent medical abortion by intravaginal misoprostol monotherapy were reviewed. Success of abortion was defined as complete expulsion of the conceptus without the need for surgical intervention. Outcomes of interest were success of abortion within 24 hours following administration of misoprostol...
September 2017: Obstetrics & Gynecology Science
https://www.readbyqxmd.com/read/28989885/impact-of-severity-of-illness-on-the-function-of-the-hypothalamo-pituitary-gonadal-axis-in-postmenopausal-women-with-acute-severe-illness-implications-for-predicting-disease-outcome
#14
Suresh Vaikkakara, Marella Neelima Raj, Alok Sachan, Alladi Mohan, Bhuma Vengamma, P V L N Srinivas Rao, Arun Mukka, Chiruvella Sravani, Amaresh P Reddy
BACKGROUND: While elevated levels of estradiol were predictive of mortality in critically ill surgical and trauma patients, their ability to predict outcome in nonsurgical patients has not been studied. We aimed to study the determinants of gonadotropin levels in acutely ill postmenopausal women with nonsurgical disease and the impact of changes in the gonadal axis on the outcome of these patients. METHODS: Thirty-five postmenopausal women admitted to medical intensive care with acute severe illness and having a Simplified Acute Physiology Score (SAPS II score) ≥30 (in-hospital mortality rate ≥ 10%) were recruited...
September 2017: Indian Journal of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28965552/development-of-in%C3%A2-vitro-maturation-techniques-for-clinical-applications
#15
REVIEW
Zhi-Yong Yang, Ri-Cheng Chian
In vitro maturation (IVM) refers to maturation in culture of immature oocytes at different stages that may or may not have been exposed to short courses of gonadotropins. The source of immature oocytes is an important feature for subsequent embryonic development, pregnancy, and healthy live births. IVM is an effective treatment that has already achieved significant outcomes of acceptable pregnancy and implantation rates and has led to the births of several thousand healthy babies. As the development of IVM treatment continues, an attractive possibility for improving the already successful outcome is to combine a natural-cycle in vitro fertilization (IVF) treatment with immature-oocyte retrieval followed by IVM of those immature oocytes...
October 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28965549/mild-stimulation-for-in%C3%A2-vitro-fertilization
#16
REVIEW
Geeta Nargund, Adrija Kumar Datta, Bart C J M Fauser
It has been proven that the use of high gonadotropin dose does not necessarily improve the final outcome of IVF. Mild ovarian stimulation is based on the principle of optimal utilization of competent oocytes/embryos and endometrial receptivity. There is growing evidence that the pregnancy or live birth rates with mild-stimulation protocols are comparable to those with conventional IVF; the cumulative pregnancy outcome has been shown to be no different, despite having fewer numbers of oocytes or embryos available with milder ovarian stimulation...
October 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28965278/the-value-of-delaying-hcg-administration-to-enable-maturation-of-medium-sized-follicles-in-patients-undergoing-superovulation-for-ivf-icsi
#17
Awoniyi O Awonuga, Karen Wheeler, Mili Thakur, Roohi Jeelani, Michael P Diamond, Elizabeth E Puscheck
PURPOSE: The purpose of the study is to determine whether continued stimulation of mature follicles to allow "catch up" growth of medium-sized follicles in assisted reproductive technology compromises the clinical pregnancy (CPR) and live birth (LBR) rates in IVF/ICSI cycles. METHODS: This retrospective cohort study reviewed 200 first IVF ± ICSI cycles out of a total of 340 cycles with complete data. Women underwent stimulation protocols with gonadotropins (Gn) and GnRH antagonist...
September 30, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/28960452/fertility-treatment-outcomes-after-follicle-tracking-with-standard-2-dimensional-sonography-versus-3-dimensional-sonography-based-automated-volume-count-prospective-study
#18
Avital Wertheimer, Ran Nagar, Galia Oron, Israel Meizner, Benjamin Fisch, Avi Ben-Haroush
OBJECTIVES: The use of sonography-based Automated Volume Count (SonoAVC; GE Healthcare, Kretz, Zipf, Austria) leads to substantially lower intraobserver and interobserver variability with a considerable advantage in time gain for both the physician and patient. It offers the possibility of continuous training and standardization of follicular monitoring. Manual and automated follicular measurements during in vitro fertilization (IVF) are reported to be comparable during gonadotropin-releasing hormone (GnRH) agonist treatment...
September 29, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28960429/the-effects-of-low-dose-hcg-combined-with-hmg-protocol-on-women-with-hypogonadotropic-hypogonadism-undergoing-ovarian-stimulation-for-in-vitro-fertilization
#19
Shutian Jiang, Yanping Kuang
OBJECTIVES: To investigate the effects of low-dose human chorionic gonadotropin (hCG) combined with human menopausal gonadotropin (HMG) protocol on cycle characteristics and outcomes of infertile women with hypogonadotropic hypogonadism (HH) undergoing ovarian stimulation for in vitro fertilization (IVF). DESIGN: A retrospective cohort study. SETTING: Tertiary-care academic medical centre. PATIENT(S): Forty-six infertile patients with HH and seventy-one infertile patients with tubal factor (TF) infertility undergoing IVF...
September 27, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28954011/hypothalamic-transcriptional-expression-of-the-kisspeptin-system-and-sex-steroid-receptors-differs-among-polycystic-ovary-syndrome-rat-models-with-different-endocrine-phenotypes
#20
Rodrigo Rodrigues Marcondes, Kátia Cândido Carvalho, Gisele Giannocco, Daniele Coelho Duarte, Natália Garcia, José Maria Soares-Junior, Ismael Dale Cotrim Guerreiro da Silva, Manuel Maliqueo, Edmund Chada Baracat, Gustavo Arantes Rosa Maciel
OBJECTIVES: Polycystic ovary syndrome is a heterogeneous endocrine disorder that affects reproductive-age women. The mechanisms underlying the endocrine heterogeneity and neuroendocrinology of polycystic ovary syndrome are still unclear. In this study, we investigated the expression of the kisspeptin system and gonadotropin-releasing hormone pulse regulators in the hypothalamus as well as factors related to luteinizing hormone secretion in the pituitary of polycystic ovary syndrome rat models induced by testosterone or estradiol...
August 2017: Clinics
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