Results 101 to 110 of about 195,508 (335)

Efficacy of hormone pre‐treatment before ART to improve reproductive outcomes in infertile women with endometriosis: Network meta‐analysis of randomized controlled trials

open access: yesInternational Journal of Gynecology &Obstetrics, EarlyView.
Abstract Background Hormone pre‐treatment is still used before assisted reproductive technique (ART) in endometriotic women, but evidence supporting this recommendation is conflicting. Objectives To evaluate whether hormone pre‐treatment with gonadotropin‐releasing hormone (GnRH) agonists or progestogens could improve fertility in women with ...
Gaetano Riemma   +8 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]

open access: yes, 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  

Melatonin influences reproduction in the sapphire devil Chrysiptera cyanea via regulation of dopamine 2b receptor transcription

open access: yesFrontiers in Marine Science
Melatonin and dopamine participate in the regulation of reproduction-related hormone/peptide synthesis and secretion at the hypothalamic–pituitary–gonadal axis in fish.
Jun-Hwan Byun   +8 more
doaj   +1 more source

The Goldfish as a Model for Studying Neuroestrogen Synthesis, Localization, and Action in the Brain and Visual System [PDF]

open access: yes, 2011
Organizational and activational effects of estrogen (E) in the central nervous system (CNS) are exerted directly by circulating E and indirectly after aromatization of circulating androgen to E in the brain itself. Understanding an environmental chemical'
Betka, M., Callard, G. V., Kruger, A.
core   +1 more source

Pleotropism of gonadotropin action

open access: yes, 2020
Evidence exists that the gonadotropins LH and FSH can substitute to each other under certain circumstances, in addition to the fact that they can act together in granulosa cells. The aim of this study is to investigate how the two human gonadotropins influence each other in granulosa cells expressing both receptors, or by co-culturing cells expressing ...
Simoni, Manuela   +6 more
openaire   +3 more sources

Use of the Abbott i‐STAT®1 point of care device for hCG quantification in early pregnancy

open access: yesInternational Journal of Gynecology &Obstetrics, EarlyView.
Abstract Objectives To evaluate the use of the Abbott i‐STAT®1 point‐of‐care‐test (POCT) device for measurement of human chorionic gonadotropin (hCG) to support the management of early pregnancy complications in a remote early pregnancy unit (EPU). Methods Women attending the EPU who required an hCG blood test were invited to take part in the study ...
Caroline Joyce   +7 more
wiley   +1 more source

Prevalence of Elevated Luteinizing Hormone (LH)/Follicle Stimulating Hormone (FSH) Ratio in Polycystic Ovary Syndrome (PCOS) Women Among Local Population

open access: yesJournal of the Dow University of Health Sciences, 2011
Objective: To assess the frequency of elevated LH/FSH ratio>1 in women with polycystic ovary syndromeamong local population.Study Design: Cross-sectional study.
Shehla Haider   +3 more
doaj   +2 more sources

From patient classification to optimized treatment in ART: the AMPLITUDE Delphi consensus

open access: yesFrontiers in Reproductive Health
IntroductionA Delphi consensus was performed to evaluate expert opinions on the management of key aspects of ovarian stimulation.MethodsA Scientific Committee developed eleven statements for patient profiles corresponding to predicted ovarian responses ...
Christophe Blockeel   +8 more
doaj   +1 more source

Regulation of gene expression in ovarian cancer cells by luteinizing hormone receptor expression and activation

open access: yesBMC Cancer, 2011
Background Since a substantial percentage of ovarian cancers express gonadotropin receptors and are responsive to the relatively high concentrations of pituitary gonadotropins during the postmenopausal years, it has been suggested that receptor ...
Dam Phuongan   +6 more
doaj   +1 more source

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