29 citations
,
July 2012 in “The Journal of Sexual Medicine” Rats had lasting erectile problems after stopping a certain medication.
April 2020 in “Journal of the Endocrine Society” A woman's high testosterone and related symptoms were caused by overactive cells in her ovaries.
March 2026 in “JCEM Case Reports” Surgery removed ovarian tumors, normalizing testosterone and improving symptoms.
February 2023 in “Frontiers in Endocrinology” Too much male hormone in mothers can negatively affect the sexual behavior of both male and female baby mice.
38 citations
,
July 1989 in “Archives of dermatological research” Testosterone causes hair loss in AGA mice, which are good for testing baldness treatments, and both minoxidil and cyproterone acetate can prevent this hair loss.
August 2004 in “Veterinary Dermatology” The red panda's hair loss was caused by an endocrine issue linked to ovarian tumors.
November 2022 in “Journal of the Endocrine Society” A rare ovarian tumor caused high testosterone and excess hair in a woman, which was resolved after tumor removal.
Testosterone undecanoate can reduce the negative effects of Finasteride on male reproductive health.
May 2023 in “The journal of sexual medicine” Ovarian Hyperthecosis caused hypersexuality in an older woman and was successfully treated with surgery.
March 2024 in “Veterinary sciences” Geriatric Julia Creek dunnarts often suffer from reproductive and skin diseases, impacting conservation efforts.
28 citations
,
March 1942 in “Journal of Endocrinology” Male rats grow hair faster than females, and certain hormones can slow or slightly increase hair growth, but not significantly beyond natural rates.
68 citations
,
February 2019 in “Urology” Hormonal treatment in transgender women reduces semen quality, but stopping treatment may improve it.
January 2026 in “Endocrinology”
36 citations
,
May 2011 in “The Journal of Clinical Endocrinology & Metabolism” Treatment with a hormone agonist can reduce excess male hormones in postmenopausal women without surgery.
37 citations
,
January 2009 in “Sexual Development” Fadrozole and Finasteride change frog sex ratios and cause intersex animals with altered gene expressions.
16 citations
,
June 2022 in “Transgender Health” Oocyte retrieval is possible for transgender men on testosterone therapy without affecting fertility outcomes.
January 2026 in “JCEM Case Reports” Genetics may play a significant role in gender dysphoria.
36 citations
,
May 2017 in “The journal of sexual medicine” Cyproterone acetate treatment is safe and causes mild feminization, which increases with added estrogen.
54 citations
,
April 2010 in “Baillière's best practice and research in clinical endocrinology and metabolism/Baillière's best practice & research. Clinical endocrinology & metabolism” Impaired androgen production in 46,XY DSDs causes ambiguous genitalia and requires long-term care.
21 citations
,
February 2003 in “Hormones and Behavior” Androgens boost certain nest-building behaviors and greatly reduce food intake in rabbits.
January 2016 in “Springer eBooks” A 19-year-old male with delayed puberty was successfully treated for a condition that prevents normal hormone production.
26 citations
,
November 1993 in “Progress in Neuro-psychopharmacology & Biological Psychiatry” Treatment during development affects hormone balance and sexual behavior in male rats.
August 2012 in “Open Repository and Bibliography (University of Liège)” A castrated dog developed hair loss and prostate issues from long-term exposure to estrogen cream.
October 2025 in “Journal of the Endocrine Society” Ovarian hyperthecosis can cause high testosterone and symptoms like hair loss, and surgery can help improve these symptoms.
October 2024 in “Journal of the Endocrine Society” Ovarian stromal hyperplasia can cause high testosterone in postmenopausal women and is treated by removing the ovaries.
Benign ovarian tumors can cause excess male hormones and related conditions in postmenopausal women.
October 2022 in “Journal of Pediatric and Adolescent Gynecology” A special blood test helped find the overactive ovary in a teen with PCOS, and removing that ovary improved her condition.
38 citations
,
May 1971 in “Clinical genetics” A specific metabolite, not a receptor protein, triggers the production of certain kidney enzymes, but this process is disrupted in mice with a mutation causing testicular feminization.
December 2013 in “Macedonian Journal of Medical Sciences” Ovarian steroid cell tumors should be considered in adults with hirsutism and high testosterone, with surgery as the main treatment.
3 citations
,
June 2016 in “Gynecological Endocrinology” Doctors used a special blood sampling technique to diagnose a woman's rare ovarian tumor that was producing male hormones.