7 citations
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May 2021 in “General and comparative endocrinology” This study concluded that qiviut cortisol can be used as a measure of HPA axis activity in muskoxen, with hair growth phase and body region affecting cortisol levels.
30 citations
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July 2004 in “Fertility and Sterility” Amenorrhea is when a woman doesn't have periods, with primary amenorrhea starting by age 15 or within five years of breast development, and secondary amenorrhea when periods stop for three months. It affects 3-4% of women not pregnant, breastfeeding, or in menopause, mainly due to polycystic ovary syndrome, hypothalamic amenorrhea, hyperprolactinemia, and ovarian failure.
3 citations
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January 2012 in “Internal Medicine” In this case study, a 68-year-old woman was diagnosed with central diabetes insipidus and hypothalamic hypopituitarism due to a Rathke's cleft cyst.
430 citations
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July 2002 in “Journal of Endocrinology” This hypothesis paper suggests that PCOS may result from genetically determined ovarian hypersecretion of androgens, influencing hormone regulation and insulin resistance, with obesity further affecting its severity; no new clinical results are reported.
197 citations
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January 2019 in “Neuropsychopharmacology” This review discusses sex differences in the neuroendocrine response to stress, focusing primarily on rodent studies, and highlights open questions about the roles of gonadal hormones and sex chromosomes.