Results 11 to 20 of about 870,336 (295)

Reproductive Hormones Mediate Intestinal Microbiota Shifts during Estrus Synchronization in Grazing Simmental Cows

open access: yesAnimals, 2022
To study shifts in the intestinal microbiota during estrus synchronization in ruminants, we characterized the intestinal microbiota in grazing Simmental cows and the possible mechanism that mediates this shift.
Donglin Wu   +12 more
doaj   +2 more sources

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   +2 more sources

Hormonal Regulation of Female Reproduction [PDF]

open access: yesHormone and Metabolic Research, 2012
Reproduction is an event that requires the coordination of peripheral organs with the nervous system to ensure that the internal and external environments are optimal for successful procreation of the species. This is accomplished by the hypothalamic-pituitary-gonadal axis that coordinates reproductive behavior with ovulation.
Christensen, A.   +6 more
openaire   +3 more sources

Reactive oxygen species and male reproductive hormones [PDF]

open access: yes, 2018
Reports of the increasing incidence of male infertility paired with decreasing semen quality have triggered studies on the effects of lifestyle and environmental factors on the male reproductive potential.
Damayanthi Durairajanayagam   +13 more
core   +1 more source

Sex Hormones [PDF]

open access: yes, 2012
Sex Hormones not only regulate reproductive function, but they also play a prominent role in the biology and physiology of several organs/tissues and in the pathophysiology of several diseases.

core   +1 more source

Cord blood Per- and polyfluoroalkyl substances, placental steroidogenic enzyme, and cord blood reproductive hormone

open access: yesEnvironment International, 2019
Background: Per- and polyfluoroalkyl substances (PFASs) are widely used in China, but little is known about the association between prenatal PFASs exposure and fetal reproductive development as well as its potential mechanism.
Qian Yao   +8 more
doaj   +1 more source

Reproductive Hormones and Female Mental Wellbeing

open access: yesWomen, 2023
Fluctuating hormone levels during the menstrual cycle and major reproductive cycle stages have been linked to mood changes, mental health conditions, and an increased likelihood of psychotic episodes.
Karolina Wieczorek   +2 more
doaj   +1 more source

Association between obesity-associated markers and semen quality parameters and serum reproductive hormones in Chinese infertile men

open access: yesReproductive Biology and Endocrinology, 2020
Background The current evidence on the association between obesity-associated markers and semen quality, serum reproductive hormones and lipids remains inconsistent. In this study, we tested the hypothesis that, in infertile Chinese men, body mass index (
Jian-Xiong Ma   +6 more
doaj   +1 more source

Variations in Plasma Sex Steroid Hormones of the Wild Caspian Cyprinid Fish, Kutum (Rutilus frisii Kutum) [PDF]

open access: yesJournal of Cell and Molecular Research, 2016
Steroid hormones in plasma play an important role in reproductive cycles of animals especially during the final maturation stages. Steroid hormones synchronize gonad developments depending to fish species reproductive strategies.
saeed shafiei sabet   +3 more
doaj   +1 more source

Exploring the Effect of Age on the Reproductive and Stress Physiology of Octopus bimaculoides Using Dermal Hormones

open access: yesAnimals, 2023
Our goal was to validate the use of dermal swabs to evaluate both reproductive and stress physiology in the California two-spot octopus, Octopus bimaculoides.
Stephanie Chancellor   +5 more
doaj   +1 more source

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