June 1995 in “International Journal of Gynecology & Obstetrics” The new method showed that endometriotic tissue has lower estrogen receptor levels but similar progesterone levels compared to normal endometrium, with both following a similar cycle.
55 citations
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May 2019 in “Journal of Endocrinology” Androgens are important for female fertility and could help in IVF treatment, but also play a role in causing PCOS.
April 2020 in “International journal of reproduction, contraception, obstetrics and gynecology” A postmenopausal woman with hair loss and hirsutism improved after surgery to remove an ovarian tumor.
25 citations
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May 1972 in “Canadian journal of zoology” Black-tailed deer have four types of pelages and molt twice a year.
January 2016 in “Journal of SAFOG” Girls with PCOS and menstrual disorders have notably higher androgen hormone levels.
11 citations
,
July 1998 in “Journal of Investigative Dermatology” β-estradiol slows hair growth in mice.
14 citations
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September 2017 in “Hormones and behavior” δ-GABAA receptors affect alcohol consumption based on the estrous cycle and influence movement regardless of the cycle.
3 citations
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February 1992 in “Journal of veterinary medicine. Series A” The farm-raised blue fox had a delayed winter coat cycle and abnormal hormone levels, but its hair growth and hormone changes were still linked.
August 2022 in “Theriogenology” Neurosteroids affect prolactin levels in sheep differently depending on stress and pregnancy conditions.
May 2025 in “Journal of the ASEAN Federation of Endocrine Societies” Thorough evaluation is crucial for postmenopausal women with virilization to detect rare ovarian tumors.
August 2016 in “Journal of Investigative Dermatology” October 2025 in “Journal of the Endocrine Society” Leydig cell tumors in the ovary can cause high testosterone and male traits in postmenopausal women but are treatable with surgery.
March 2025 in “Journal of Endocrinology and Metabolism” Rodent models of PCOS show some hormone changes similar to humans, but also have key differences.
6 citations
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April 2009 in “Fertility and Sterility” Finasteride helps induce ovulation in nonresponder PCOS women.
2 citations
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October 2024 in “Phenomics” 2 citations
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August 2021 in “Experimental and Therapeutic Medicine” Moxibustion may help improve ovarian function by changing androgen levels.
7 citations
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January 2022 in “Case Reports in Endocrinology” Ovarian hyperthecosis can cause symptoms even with normal testosterone levels, and surgery can improve these symptoms.
January 2000 in “Europe PMC (PubMed Central)” 42 citations
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July 1982 in “PubMed” Loestrin effectively normalizes testosterone levels and improves PCOS symptoms with minimal side effects.
July 2023 in “Endocrinology, diabetes & metabolism case reports” Sertoliform endometrioid carcinoma of the ovary, though rare, has a good prognosis when treated early.
September 2008 in “Fertility and Sterility” Free fatty acids may increase androgen production, potentially contributing to polycystic ovary syndrome.
October 2024 in “bioRxiv (Cold Spring Harbor Laboratory)” Rodent models of PCOS show some similar and some different lipid changes compared to humans.
5 citations
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January 2017 in “Dermato-endocrinology” Postmenopausal women with past hirsutism or irregular periods have more heart and lung diseases.
A 73-year-old woman's unusual hair loss and growth led to the discovery of a rare condition causing too much testosterone, which improved after her ovaries were removed.
8 citations
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August 2015 in “Endocrine”
October 2023 in “Journal of the Endocrine Society” Machine learning identified three unique subtypes of androgen excess in women with PCOS, each with different metabolic risks.
April 2020 in “Journal of the Endocrine Society” A woman's severe hirsutism was caused by Leydig cell tumors in her ovaries, which improved after surgery.
March 2026 in “Inflammopharmacology” Ursolic acid from Ochrosia elliptica leaves may help manage PCOS symptoms.
January 2025 in “Human Reproduction Open”
The study successfully gathered a diverse group of 438 women to understand the prevalence of polycystic ovary syndrome, with most participants recruited online and at community fairs.