20 citations
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January 2012 in “International Journal of Trichology” Most cases of excessive hair growth in women are caused by polycystic ovarian syndrome and are linked to higher free testosterone levels.
May 2015 in “Journal of The American Academy of Dermatology” Finasteride for hair loss increases risk of sexual dysfunction in young men.
October 2023 in “Journal of the Endocrine Society” A woman's ovarian fibroma caused high testosterone levels, which normalized after surgery.
25 citations
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November 2005 in “PubMed” Finasteride changes androgen receptor location in rat epididymis without altering tissue structure.
32 citations
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April 1994 in “Journal of the American Academy of Dermatology” High androgen levels and genetic factors likely cause Becker's nevus and related symptoms.
October 2025 in “F1000Research” Postmenopausal women with excess male hormones may have ovarian tumors, and surgery usually cures them.
April 2012 in “The Journal of Urology” Finasteride therapy reduces PSA levels and prostate size, helping diagnose prostate cancer.
2 citations
,
July 2023 in “Urology Case Reports” Timely surgery successfully repaired a boy's penis after a hair caused severe damage.
8 citations
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August 2018 in “Turkish journal of urology” Hair wrapped tightly around a boy's penis can cause serious damage if not treated quickly.
54 citations
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May 1998 in “Urology” Men with enlarged prostates often have more severe baldness.
January 2019 in “Indian Journal of Public Health Research and Development”
16 citations
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May 2013 in “Urology” Metabolic syndrome linked to urinary symptoms; hair loss not significant.
3 citations
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October 1993 in “Endocrinology”
July 2025 in “The FASEB Journal” Human amniotic stem cell exosomes may effectively treat hair loss by promoting hair regrowth.
5 citations
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March 2005 in “Journal of The American Academy of Dermatology” March 2026 in “JCEM Case Reports” Surgery removed ovarian tumors, normalizing testosterone and improving symptoms.
February 2015 in “Oxford University Press eBooks”
5 citations
,
March 2009 in “Pediatric Dermatology” The study found that pili bifurcati causes hair to intermittently split into two branches, each with its own outer layer.
January 2020 in “Revista Dermatológica Centro Uraga” Recognizing trichoscopic features is crucial for diagnosing various hair loss conditions.
May 2017 in “Endocrine Abstracts” Men with early hair loss and certain health factors may have a higher risk of developing reproductive issues, similar to polycystic ovary syndrome in women.
March 2024 in “Journal of the American Academy of Dermatology” Taking medication for hair loss might cause sexual problems.
1 citations
,
October 2024 in “BMJ Case Reports” Fertility-preserving surgery can help women with early-stage Sertoli-Leydig cell tumors conceive naturally.
November 2023 in “International journal of reproduction, contraception, obstetrics and gynecology” Polycystic ovary syndrome causes high male hormone levels, leading to symptoms like excess hair, acne, and fertility problems.
June 2024 in “Ecotoxicology and Environmental Safety” Finasteride harms Daphnia magna's reproduction, growth, and metabolism.
1 citations
,
December 2025 in “Selçuk tıp dergisi/Selçuk Üniversitesi Tıp Fakültesi dergisi” Lower 2D:4D finger ratios in HS patients suggest prenatal hormone influence on the disease.
26 citations
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August 2016 in “Translational Andrology and Urology” Treatments for urinary symptoms often cause ejaculatory problems.
5 citations
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April 2021 in “Journal of Endocrinological Investigation” Higher DHT levels are linked to fewer hypogonadism symptoms in men with normal testosterone levels.
3 citations
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June 2015 in “CRC Press eBooks” Male pattern hair loss affects up to 80% of men due to genetics and hormone sensitivity.
47 citations
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August 2000 in “Endocrine Reviews” The document concludes that more research is needed to understand excessive hair growth in women with normal hormone levels and regular ovulation.
118 citations
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May 2003 in “Toxicological Sciences” Exposure to finasteride in the womb caused lasting reproductive issues in male rats.