Results 111 to 120 of about 76,034 (343)

Impact of Equine Chorionic Gonadotropin Associated with Temporary Weaning, Estradiol Benzoate, or Estradiol Cypionate on Timed Artificial Insemination in Primiparous Bos Indicus Cows

Brazilian Archives of Biology and Technology
The study aimed to determine the impact of equine chorionic gonadotropin (eCG) associated with different timed artificial insemination (TAI) protocols on the pregnancy rate (PR) in Bos indicus cows previously treated with progesterone.
Andre Luis Bastos Souza, Marcio Saporski Segui, Luiz Ernandes Kozicki, Romildo Romulado Weiss, Ana Abreu, Melina Andreia Formighieri Bertol, Danilo Martins Amadori Oliveira   +6 more
doaj   +1 more source

GnRH induced Phase Synchrony of Coupled Neurons [PDF]

arXiv, 2016
Gonadotropin-releasing hormone (GnRH) is reported to control mammalian reproductive processes. GnRH a neurohormone which is pulsatile released into the pituitary portal blood by hypothalamic GnRH neurons. In the present study, the phase synchronization among a population of identical neurons subjected to a pool of coupling molecules GnRH in ...
arxiv  

Individual 17-Hydroxyprogesterone Responses to hCG Are Not Correlated With Follicle Size in Polycystic Ovary Syndrome. [PDF]

, 2019
Context:In women with polycystic ovary syndrome (PCOS), 17-hydroxyprogesterone (17-OHP) responses to gonadotropin stimulation vary from increased to indistinguishable compared with normal controls.
Chang, R Jeffrey, Duleba, Antoni J, Garzo, Gabriel, Homer, Michael V, Lawson, Mark A, Toloubeydokhti, Tannaz   +5 more
core   +1 more source

Glycopattern comparison of sperm and exosomes from conventional in vitro fertilization and rescue intracytoplasmic sperm injection: Enhancing sperm motility through exosome‐mediated glycan modulation

VIEW, EarlyView.
Infertility is a global concern, with male factors contributing to nearly half of cases. This study compared glycopatterns of sperm and sperm‐derived exosomes from conventional IVF and rescue ICSI (RICSI) patients, revealing key differences in glycan expression.
Muhammad Anas Ramzan, Zhedong Yang, Li Cao, Jinyuan Zhang, Fei Wu, Miaomiao Xin, Bo Guo, Lumin Wang, Lingyu Zhao, Yannan Qin, Chengcheng Liu   +10 more
wiley   +1 more source

Sex differences in the pituitary TGFβ1 system: the role of TGFβ1 in prolactinoma development [PDF]

, 2019
Prolactinomas are the most frequent functioning pituitary adenomas, and sex differences in tumor size, behavior and incidence have been described. These differences have been associated with earlier diagnosis in woman, as well as with serum estradiol ...
Abeledo Machado, Alejandra Inés, Camilletti, María Andrea, Diaz, Graciela Susana, Faraoni, Erika Yanil, Ratner, Laura Daniela, Recouvreux, Maria Victoria, Rulli, Susana Beatriz   +6 more
core   +1 more source

Managing Pregnancies of Unknown Location With the M4 Prediction Model or the NICE Algorithm: A Randomised Controlled Trial With Cross‐Sectional Diagnostic Accuracy Data

BJOG: An International Journal of Obstetrics &Gynaecology, Volume 132, Issue 6, Page 742-751, May 2025.
ABSTRACT Objective To determine the diagnostic performance and clinical utility of the M4 prediction model and the NICE algorithm managing women with pregnancy of unknown location (PUL). Design The study has a superiority design regarding specificity for non‐ectopic pregnancy for M4, given that the primary outcome of sensitivity for ectopic pregnancy ...
Johan Fistouris, Helen Garbergs, Katja Bergman, Christina Bergh, Annika Strandell   +4 more
wiley   +1 more source

Improving the reproductive performance of the Muturu breed of cattle in Nigeria using modified Ovsynch and progesterone synchronization protocol : a thesis presented in partial fulfilment of the requirement for the degree of Master of Science in Animal Science, Institute of Veterinary, Animal and Biomedical Sciences, Massey University, Palmerston North, New Zealand [PDF]

, 2017
The Ovsynch protocol has been used in cattle to synchronize ovulation and facilitate fixed-time AI (FTAI) but its efficacy has not been evaluated in the Nigerian Muturu breed of B. indicus cattle. The effects of a modified Ovsynch protocol (modified by
Obianwuna, Uchechukwu
core  

Effect of Comprehensive Individualised Interventions on the Clinical Outcomes of Patients With Recurrent Implantation Failure: A Single‐Centre Retrospective Cohort Study

BJOG: An International Journal of Obstetrics &Gynaecology, Volume 132, Issue S2, Page 83-91, April 2025.
ABSTRACT Objective The objective of this study is to evaluate the impact of comprehensive individualised interventions on the clinical outcomes of patients with recurrent implantation failure (RIF), as few studies have evaluated their effectiveness. Design Retrospective cohort study.
Yuan Li, Qi Zhao, Xiangxiu Fan, Shujuan Ma, Ge Lin, Fei Gong   +5 more
wiley   +1 more source

Nested Selves: Self‐Organization and Shared Markov Blankets in Prenatal Development in Humans

Topics in Cognitive Science, EarlyView., 2023
Abstract The immune system is a central component of organismic function in humans. This paper addresses self‐organization of biological systems in relation to—and nested within—other biological systems in pregnancy. Pregnancy constitutes a fundamental state for human embodiment and a key step in the evolution and conservation of our species. While not
Anna Ciaunica, Michael Levin, Fernando E. Rosas, Karl Friston   +3 more
wiley   +1 more source

Post molar choriocarcinoma with solitary renal metastasis in the absence of primary uterine tumor: a case report and review of the literature

Journal of Medical Case Reports
Background Choriocarcinoma is a rare and highly malignant form of gestational trophoblastic disease that may develop following pregnancy, abortion, or a hydatiform mole. Renal metastatic involvement by post molar choriocarcinoma is even rarer.
Mahsa Geravandi, Ali Hajihashemi, Atoosa Adibi, Reza Habibi Tirtashi   +3 more
doaj   +1 more source