Finasteride improves hair but may reduce sperm quality at higher doses.
April 2020 in “Journal of the Endocrine Society” Early diagnosis of PSIS can lead to normal height with growth hormone and testosterone treatment.
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.
February 2026 in “JOURNAL OF CLINICAL AND DIAGNOSTIC RESEARCH” Trichoscopy effectively detects early hair follicle changes before visible baldness in men under 40.
September 2024 in “Journal of the American Academy of Dermatology” Many transgender men on testosterone therapy experience hair loss.
1 citations
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October 2024 in “JCEM Case Reports” 5α-reductase deficiency can cause ambiguous genitalia and gender dysphoria, treatable with testosterone.
September 2023 in “Clinical, Cosmetic and Investigational Dermatology” Higher SHBG levels are linked to less severe hair loss in women, but vitamin D levels don't seem to affect hair loss.
16 citations
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June 2022 in “Transgender Health” Oocyte retrieval is possible for transgender men on testosterone therapy without affecting fertility outcomes.
19 citations
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June 1997 in “The Journal of Clinical Endocrinology & Metabolism” The treatment successfully lowered testosterone levels and reduced symptoms.
25 citations
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March 2004 in “Regulatory Toxicology and Pharmacology” Using testosterone-stimulated weanling rats can effectively replace castrated rats for anti-androgen testing, reducing animal stress.
1 citations
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August 2025 in “Daehan saengsik uihak hoeji/Clinical and experimental reproductive medicine” BMI should be considered in future research on dutasteride's effects on fertility.
1 citations
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September 2020 in “Pediatric Dermatology” Two teenage boys lost hair after taking a drug for growth, which was not a known side effect for kids.
3 citations
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April 2012 in “Fertility and Sterility” Finasteride may cause infertility in rats by affecting epididymis and sperm function.
October 2024 in “Journal of the Endocrine Society” The case highlights the complexity of diagnosing high testosterone in older women and the need for thorough testing.
Long-term finasteride use may affect sperm structure and chromosomes.
December 2010 in “TSpace” Activating androgen receptors in muscle can increase muscle mass and reduce fat.
April 2014 in “The FASEB Journal” Testosterone reduces knee movement, while flutamide and finasteride increase it.
2 citations
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May 2018 in “Diagnosis” A 68-year-old woman developed male traits due to a tumor in her ovary, which was removed, returning her hormone levels to normal.
January 2026 in “SiSli Etfal Hastanesi Tip Bulteni / The Medical Bulletin of Sisli Hospital” Men with androgenetic alopecia may have more sexual dysfunctions.
1 citations
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January 2011 in “Journal of Human Reproductive Sciences” Finasteride may decrease semen quality but not harm sperm production, and stopping the drug can improve semen quality; hyperprolactinemia can cause infertility but is treatable with medication.
March 2026 in “JCEM Case Reports” Surgery removed ovarian tumors, normalizing testosterone and improving symptoms.
45 citations
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March 2015 in “Clinical Endocrinology” Testosterone therapy is generally safe for transmen, improves sexual function, and has manageable health risks with proper monitoring.
February 2019 in “Americanae (AECID Library)” Selenium and zinc deficiency in sheep leads to thyroid and skin problems.
Early balding may be a sign of future prostate problems.
9 citations
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February 2020 in “International Journal of Endocrinology” Some men with early hair loss may have a male version of PCOS, affecting hormones and increasing health risks.
November 2022 in “Journal of the Endocrine Society” A woman's small ovarian tumor causing high androgen levels was missed by several scans but found during surgery.
4 citations
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January 2019 in “Obstetrics & gynecology science” A PET-CT scan successfully located a hard-to-find Leydig cell tumor in a woman with hormonal symptoms.
44 citations
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June 1967 in “The journal of nutrition/The Journal of nutrition” Lack of essential fatty acids in diet causes reproductive issues and poor health in male rabbits.
October 2025 in “Journal of the Endocrine Society” Anastrozole can cause increased testosterone, leading to symptoms like hair growth and thinning.