Results 61 to 70 of about 21,446 (262)
Pituitary glycoprotein hormone a-subunit secretion by cirrhotic patients
Brazilian Journal of Medical and Biological Research, 1999 Secretion of the a-subunit of pituitary glycoprotein hormones usually follows the secretion of intact gonadotropins and is increased in gonadal failure and decreased in isolated gonadotropin deficiency.
Oliveira M.C. +4 more
doaj
Equine Veterinary Journal, EarlyView.Abstract Background Persistent breeding‐induced endometritis (PBIE) is a common reason for mares failing to establish pregnancy. Objective To examine the hypothesis that advancing mare age and embryo donor status predispose to PBIE and compromise fertility.
Tom Stout +3 more
wiley +1 more source
Revolutionizing Healthcare With Paper‐Based Nucleic Acid Testing
Exploration, EarlyView.This work summarizes strategies to enhance paper‐based devices for nucleic acid testing. Key approaches include optimizing paper platforms, improving nucleic acid amplification, and refining labeling/signaling methods. These advancements aim to boost sensitivity, speed, and usability, making paper‐based diagnostics more effective for point‐of‐care ...
Hong Zhang +8 more
wiley +1 more source
Editorial: Follicle-stimulating hormone: Fertility and beyond-volume II
Frontiers in Endocrinology, 2022 Manuela Simoni +3 more
doaj +1 more source
International Journal of Cancer, EarlyView.ABSTRACT To improve the prediction of relapse for clinical stage I seminoma, we aimed to validate the Boormans model (incorporating tumor size, rete testis invasion, and lymphovascular invasion) against the conventional classification (tumor size > 4 cm/rete testis invasion).
Andreas Banner +15 more
wiley +1 more source
AnimalsGnRH is essential for the regulation of mammalian reproductive processes. It regulates the production and release of pituitary gonadotropins, thereby influencing steroidogenesis and gametogenesis.
Eman M. Hassanein +2 more
doaj +1 more source
Frontiers in Endocrinology, 2019 Objective: To evaluate intraday serum progesterone levels on the day of final oocyte maturation in women undergoing ovarian stimulation in a GnRH-antagonist protocol.Study design, size, and duration: The study was done as a prospective observational ...
Upma Shanker +9 more
doaj +1 more source
International Journal of Gynecology &Obstetrics, Volume 169, Issue 1, Page 112-120, April 2025.Abstract Objective In the present study, a bidirectional two‐sample Mendelian randomization approach was utilized to explore potential causal relationships between mitochondrial DNA copy number (mtDNA‐CN) and ovary‐related reproductive disorders (ORRDs), including ovarian dysfunction, ovarian cyst, polycystic ovary syndrome (PCOS), premature ovarian ...
Ke Peng +4 more
wiley +1 more source
Kisspeptin: A Central Regulator of Reproduction in Mammals
SVU-International Journal of Veterinary Sciences, 2019 The discovery of the role of kisspeptin neurons in the regulation of mammalian reproduction in 2003 was one of the biggest breakthroughs in reproductive endocrinology within the last few decades.
Nahoko Ieda +4 more
doaj +1 more source
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 +5 more
wiley +1 more source