Results 101 to 110 of about 50,091 (300)

Porcine oocyte maturation in vitro : role of cAMP and oocyte-secreted factors: a practical approach [PDF]

, 2016
Polyspermy or the penetration of more than one sperm cell remains a problem during porcine in vitro fertilization (IVF). After in vitro culture of porcine zygotes, only a low percentage of blastocysts develop and their quality is inferior to that of in ...
Appeltant, Ruth, Kikuchi, Kazuhiro, Maes, Dominiek, Somfai, Tamás, Van Soom, Ann   +4 more
core   +2 more sources

Policy and advocacy considerations for the prevention and care of preterm birth

International Journal of Gynecology &Obstetrics, EarlyView.
Abstract Preterm birth (PTB) is the leading cause of mortality in children aged under 5 years and a major contributor to lifelong morbidity, disproportionately affecting low‐ and middle‐income countries. Despite its significant burden, PTB remains underprioritized on global and national health agendas, with limited integration into monitoring ...
Wondimu Gudu, Catalina M. Valencia, Leticia I. Ojeda, Priya Soma‐Pillay, on behalf of the FIGO Committee on Preterm Birth   +4 more
wiley   +1 more source

Regulation of reproduction via tight control of gonadotropin hormone levels. [PDF]

, 2018
Mammalian reproduction is controlled by the hypothalamic-pituitary-gonadal axis. GnRH from the hypothalamus regulates synthesis and secretion of gonadotropins, LH and FSH, which then control steroidogenesis and gametogenesis. In females, serum LH and FSH
Coss, Djurdjica
core   +1 more source

Efficacy and related factors of levonorgestrel‐releasing intrauterine system combined with metformin in fertility‐preserving treatment for atypical endometrial hyperplasia and early endometrial cancer: A retrospective cohort study

International Journal of Gynecology &Obstetrics, EarlyView.
Abstract Objective To compare the efficacy of the levonorgestrel‐releasing intrauterine system combined with metformin versus oral progestin combined with metformin in fertility‐preserving treatment for patients with atypical endometrial hyperplasia and early endometrial cancer, and to analyze related factors affecting efficacy.
Pengpeng Gu, Jialu Gao, Yuxin Li, Mei Huang, Xiaoshuang Wang, Xin Zhao   +5 more
wiley   +1 more source

Ovarian Cancer: Epidemiology, Disease Mechanisms, New Diagnosis and Treatment Strategies, and Research Directions

iNew Medicine, EarlyView.
ABSTRACT Ovarian cancer (OC) continues to be the deadliest gynecological malignancy and a significant cause of cancer‐related mortality among women worldwide. Standard treatment strategies typically entail platinum‐based chemotherapy in conjunction with cytoreductive surgery.
Zunera Khalid, Weirong Fan, Farah Nazir, Yixiang Xing, Tengchuan Jin   +4 more
wiley   +1 more source

Follicle-intrinsic and spatially distinct molecular programs drive follicle rupture and luteinization during ex vivo mammalian ovulation

Communications Biology
During ovulation, the apical wall of the preovulatory follicle breaks down to facilitate gamete release. In parallel, the residual follicle wall differentiates into a progesterone-producing corpus luteum.
Emily J. Zaniker, Jiyang Zhang, Daniela Russo, Ruixu Huang, Kristine Suritis, Riley S. Drake, Esther Barlow-Smith, Alex K. Shalek, Teresa K. Woodruff, Shuo Xiao, Brittany A. Goods, Francesca E. Duncan   +11 more
doaj   +1 more source

Carbachol increases intracellular free calcium concentrations in human granulosa-lutein cells [PDF]

, 1992
We investigated whether the stimulation of human granulosa-lutein cells with muscarinic and nicotinic receptor agonists can cause increases in intracellular free calcium (Ca2+), using Fura-2 microfluorimetry.
Föhr, K. J., Gratzl, Manfred, Mayerhofer, Artur, Sterzik, K.   +3 more
core   +1 more source

The Role of Endothelin‐1 in Autoimmune Diseases: Mechanistic Insights and Therapeutic Targets

iNew Medicine, EarlyView.
The Role of Endothelin‐1 in Autoimmune Diseases. NF‐κB: nuclear factor kappa‐B; MAPK: mitogen‐activated protein kinase; PI3K: phosphoinositide 3‐kinase; ROS: reactive oxygen species; CTGF: connective tissue growth factor; TGF‐β: transforming growth factor‐β.
Xun Gong, Zhenyu Wang, Suyin Yang, Kaige Gao, Xin Yang, Min Tang   +5 more
wiley   +1 more source

Ovarian Hyperstimulation Syndrome Presenting with Polyserositis: A Case Report

Haseki Tıp Bülteni, 2014
Ovarian hyperstimulation syndrome (OHSS) is an iatrogenic complication of ovulation induction with exogenous gonadotropins. Pleural effusion and abdominal ascites frequently accompany this syndrome.
Nilay Şengül Samancı, Abdülkadir Ergen, Meryem Tahmaz, Gülnar Gülaçtı, Kübra Yel   +4 more
doaj   +1 more source

HKCOG guidelines: induction of ovulation [PDF]

, 2012
This guideline by The Hong Kong College of Obstetricians and Gynaecologists (HKCOG) covers the classification of ovulation disorders, treatment options of various ovulation disorders, and their associated risks ...
Lee, VCY, Li, RHW, Ng, EHY, Yeung, TWY
core