Results 71 to 80 of about 334,002 (313)

GnRH-induced Ca2+ signaling patterns and gonadotropin secretion in pituitary gonadotrophs. Functional adaptations to both ordinary and extraordinary physiological demands

open access: yesFrontiers in Endocrinology, 2013
Pituitary gonadotrophs are a small fraction of the anterior pituitary population, yet they synthesize gonadotropins: luteinizing (LH) and follicle stimulating (FSH), essential for gametogenesis and steroidogenesis.
María Luisa eDurán-Pastén   +1 more
doaj   +1 more source

Optimizing outcomes in intrauterine insemination: A narrative synthesis of two decades of clinical research (2000–2024)

open access: yesInternational Journal of Gynecology &Obstetrics, EarlyView.
Abstract Intrauterine insemination (IUI) is a widely used first‐line fertility treatment, yet its success rates vary considerably. This review synthesizes evidence from peer‐reviewed studies published between 2000 and 2024, including randomized controlled trials, cohort and case–control studies, as well as systematic and narrative reviews identified ...
Kasuni Akalanka
wiley   +1 more source

The Effects of Tachykinin1 Gene Products on Prepubertal Dabry’s Sturgeon (Acipenser dabrynus) Pituitary Hormone Secretion and Gene Expression

open access: yesAnimals
As an ancient and endangered species unique to the Yangtze River in China, the wild population of the Dabry’s sturgeon has become scarce. Due to the long time till the first sexual maturity of Dabry’s sturgeon, the population of artificially bred Dabry’s
Kan Xiao   +6 more
doaj   +1 more source

Overriding follicle selection in controlled ovarian stimulation protocols: Quality vs quantity [PDF]

open access: yes, 2004
Selection of the species-specific number of follicles that will develop and ovulate during the ovarian cycle can be overridden by increasing the levels of pituitary gonadotropin hormones, FSH and LH.
Richard L Stouffer   +1 more
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

open access: yesInternational 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

Hypervision Proton Surgery: The Future Direction of Proton Therapy

open access: yesiNew Medicine, EarlyView.
ABSTRACT Proton beams provide unique physical advantages characterized by a low entrance dose, negligible exit dose, and a sharp Bragg peak, which enable superior sparing of normal tissues and support safe dose escalation for improved tumor control. However, conventional photon‐based fractionation remains widely used in proton therapy, where prolonged ...
Li Li, Shuanghu Yuan
wiley   +1 more source

THE REFERENCE VALUES OF REPRODUCTIVE HORMONES IN 1–3 MONTHS HEALTHY BOYS

open access: yesБюллетень сибирской медицины, 2014
The postnatal activity of hypothalamic-pituitary-gonadal axis in first few months of life is defined as mini-puberty.  In  article  the  dates  of  Enzyme  Immuno  Assays  of  the  serum  gonadotropins  and reproductive hormones in 40 healthy boys ages 1–
N. Yu. Raygorodskaya   +3 more
doaj   +1 more source

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

open access: yesiNew 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   +4 more
wiley   +1 more source

Unmasking the pituitary shadow 11 years postpartum: A case report of late-stage Sheehan's syndrome

open access: yesRadiology Case Reports
Sheehan's syndrome (SS) is a rare but significant condition that occurs as a result of postpartum pituitary gland infarction, typically following severe blood loss or hypotension during or after childbirth.
Oumaima Mesbah   +5 more
doaj   +1 more source

Relations of environmental contaminants, algal toxins, and diet with the reproductive success of American alligators on Florida Lakes [PDF]

open access: yes, 2001
(113 page ...
Arnold, Beverly S.   +3 more
core  

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