78 citations
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November 2008 in “Fertility and Sterility” Amenorrhea is relatively rare and initial testing should check FSH, TSH, and prolactin 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.
21 citations
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September 2004 in “Fertility and Sterility” Amenorrhea, or the absence of periods, should be evaluated by age 15 or within five years of early breast development, and is most commonly caused by conditions like polycystic ovary syndrome and hypothalamic amenorrhea.
September 2025 in “PubMed” This study explores Unani and modern medical perspectives on hirsutism, highlighting similarities in their understanding of its connection with amenorrhea and hyperandrogenism, and suggests further integrative research.
46 citations
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July 1974 in “The Journal of Clinical Endocrinology & Metabolism” In this study, women with hirsutism and amenorrhea showed lower serum estradiol and sex hormone binding globulin concentrations but higher levels of unbound testosterone compared to normal individuals.