66 citations
,
May 2014 in “Conservation Physiology” This study found that lower salmon availability was associated with higher stress hormone levels in grizzly and black bears, influencing their physiological responses and competitive behaviors.
16 citations
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January 2017 in “Asian journal of andrology/Asian Journal of Andrology” This study found that older age at puberty may be associated with lower semen quality and altered reproductive hormone levels in young men, though only some results were statistically significant.
5 citations
,
May 2023 in “Science of the total environment” This study observed that higher PFAS concentrations during adolescence were linked to later pubertal development and lower estradiol levels in females, but not in males, potentially due to PFAS excretion with menstrual fluid.
4 citations
,
March 2018 in “Systems biology in reproductive medicine” This study found that men born with very low birth weight had higher median serum estradiol levels but similar reproductive patterns compared to men born at term.
2 citations
,
September 2021 in “Universal Journal of Pharmaceutical Research” This study found significant associations between polycystic ovary syndrome and increased serum levels of reproductive hormones, as well as connections to infertility, hirsutism, and metabolic syndrome in Yemeni women.