Results 31 to 40 of about 536,566 (348)

Addition of intramuscular to vaginal progesterone for luteal phase support in fresh embryo transfer cycles: A cross-sectional study

open access: yesInternational Journal of Reproductive BioMedicine, 2022
Background: Luteal phase deficiency is common in assisted reproductive technology and is characterized by inadequate progesterone production. Various studies have shown that administration of progesterone in fresh embryo transfer cycles increases the ...
Samaneh Jalaliani   +4 more
doaj   +1 more source

Human amniotic fluid glycoproteins expressing sialyl Lewis carbohydrate antigens stimulate progesterone production in human trophoblasts in vitro [PDF]

open access: yes, 2004
Background: Progesterone is thought to mediate immune modulator effects by regulating uterine responsiveness. The aim of the study was to clarify the effect of transferrin and glycodelin A (former name PP14) as sialyl Lewis X-expressing glycoproteins on ...
Annett Streu   +24 more
core   +1 more source

Single-cell analysis of [Ca2+]i signalling in sub-fertile men:characteristics and relation to fertilization outcome [PDF]

open access: yes, 2018
STUDY QUESTIONWhat are the characteristics of progesterone-induced (CatSper-mediated) single cell [Ca2+]i signals in spermatozoa from sub-fertile men and how do they relate to fertilizing ability?SUMMARY ANSWERSingle cell analysis of progesterone-induced
Barratt, Christopher L.R.   +7 more
core   +4 more sources

Sexual Absorption of Vaginal Progesterone: A Randomized Control Trial

open access: yesInternational Journal of Endocrinology, 2015
Objective. To determine if sexual intercourse reduces absorption of vaginal progesterone gel in women and to determine if progesterone is absorbed by the male during intercourse. Study Design.
Kathryn S. Merriam   +5 more
doaj   +1 more source

Transdermal Delivery of Bioidentical Progesterone with a Steroid 5α-Reductase Inhibitor (Dutasteride): a Pilot Study

open access: yesJournal of Pharmacy & Pharmaceutical Sciences, 2011
Purpose: Bioavailability of transdermal progesterone is low and variable. This may be attributed to transdermal metabolism by the 5α-reductase enzymes or the direct transport to the saliva. The objective of the current study was to evaluate the effect of
sara Zargar-Shoshtari   +4 more
doaj   +1 more source

Progesterone Increases Bifidobacterium Relative Abundance during Late Pregnancy.

open access: yesCell Reports, 2019
Gestation is accompanied by alterations in the microbial repertoire; however, the mechanisms driving these changes are unknown. Here, we demonstrate a dramatic shift in the gut microbial composition of women and mice during late pregnancy, including an ...
M. Nuriel-Ohayon   +14 more
semanticscholar   +1 more source

Steroid hormone bioavailability is controlled by the lymphatic system

open access: yesScientific Reports, 2021
The steroid hormone progesterone accounts for immune tolerance in pregnancy. Enhanced progesterone metabolism to 6α-OH-pregnanolone occurs in complicated pregnancies such as in preeclampsia with preterm delivery or intrauterine growth restriction, and in
Rahel Klossner   +9 more
doaj   +1 more source

Peripheral and central mechanisms involved in hormonal control of male and female reproduction [PDF]

open access: yes, 2016
Reproduction involves the integration of hormonal signals acting across multiple systems togenerate a synchronized physiological output. A critical component of reproduction is the luteinizinghormone (LH) surge, which is mediated by estradiol (E2) and ...
Bentley, G. E.   +6 more
core   +1 more source

Neuroactive steroids in depression and anxiety disorders: Clinical studies [PDF]

open access: yes, 2006
Certain neuroactive steroids modulate ligand-gated ion channels via non-genomic mechanisms. Especially 3 alpha-reduced pregnane steroids are potent positive allosteric modulators of the gamma-aminobutyric acid type A (GABA(A)) receptor.
Akwa Y   +79 more
core   +1 more source

The GABAA antagonist bicuculline attenuates progesterone-induced memory impairments in middle-aged ovariectomized rats

open access: yesFrontiers in Aging Neuroscience, 2015
In women, high levels of natural progesterone have been associated with detrimental cognitive effects via the maternal amnesia phenomenon as well as in controlled experiments.
B. Blair Braden   +8 more
doaj   +1 more source

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