3 citations
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August 2021 in “Nutrition research” Estrogen affects how vitamin A is processed in mouse skin, which may impact acne treatment, hair growth, and skin defense.
46 citations
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July 1974 in “The Journal of Clinical Endocrinology & Metabolism” Low estrogen and high testosterone may cause excessive hair growth in women.
30 citations
,
February 1996 in “Journal of Investigative Dermatology” 10 citations
,
October 2000 in “PubMed” E6/E7 oncogenes in hair follicles cause continuous hair growth by skipping the resting phase.
1 citations
,
February 2023 in “Journal of Natural Fibers” Higher keratin protein levels are important for the wool's shine in Magra sheep.
16 citations
,
August 1989 in “Human Reproduction” Hirsutism in females is caused by high male hormones or sensitive hair follicles.
7 citations
,
September 2022 in “Communications biology” Omega-6 fats in certain cells boost male hormone production.
60 citations
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September 1979 in “Fertility and sterility” Spironolactone can reduce hair growth in women with hirsutism.
5 citations
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June 2011 in “PLoS ONE” Mammoth hair grew faster than human hair and showed seasonal changes in growth and mineral content.
17 citations
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January 2004 in “European journal of obstetrics, gynecology, and reproductive biology/European journal of obstetrics & gynecology and reproductive biology” Certain hormone medications can treat symptoms like acne and unwanted hair, regulate periods, and prevent pregnancy in women and teenage girls.
3 citations
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December 2016 in “PubMed” Menstrual abnormalities in PCOS women may not greatly affect their metabolic and hormonal profile.
4 citations
,
January 2006 in “PubMed” DHT deficiency may disrupt rat epididymis function by affecting estrogen receptors.
9 citations
,
March 2001 in “Clinics in dermatology” Hirsutism in women is often due to hormone sensitivity and has significant psychological effects.
July 2013 in “e-Jurnal Medika Udayana” Estrogen helps promote hair growth in women with androgenetic alopecia.
October 2022 in “Journal of the ASEAN Federation of Endocrine Societies” GnRH-a or orchiectomy is more effective than anti-androgens for managing hormone levels in transgender women.
November 2022 in “Journal of the Endocrine Society” Removing the ovarian tumor improved the woman's hormonal symptoms.
1947 citations
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September 1995 in “New England journal of medicine/The New England journal of medicine” PCOS is a common hormonal disorder causing irregular periods and increased hair growth, linked to insulin resistance and long-term health issues.
January 2023 in “Kafkas üniversitesi veteriner fakültesi dergisi/Kafkas üniversitesi veteriner fakültesi dergisi” Seasonal changes affect gene activity linked to hair growth in Angora goats.
January 2019 in “日本皮膚科学会雑誌” August 2021 in “Pediatrics in review” The girl's hirsutism and menstrual issues were caused by a benign ovarian tumor, which was successfully removed.
23 citations
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April 2010 in “Comparative Biochemistry and Physiology Part C Toxicology & Pharmacology” The piRNA pathway genes are crucial in early development and may influence sex differentiation through hormone regulation.
March 2025 in “Journal of Pediatric Endocrinology and Metabolism” Elevated testosterone, DHEA-S, and FAI help identify PCOS risk in menstrual irregularities.
378 citations
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November 2011 in “Human reproduction update” Experts recommend using evidence-based methods to diagnose and treat hirsutism, focusing on symptoms and underlying causes.
Hirsutism, often caused by PCOS, is treated with medication and weight loss is important for obese women with PCOS.
14 citations
,
March 2022 in “Clinical Endocrinology” The document concludes that a systematic approach is crucial to identify causes of androgen excess in women beyond the most common cause, Polycystic ovary syndrome (PCOS).
January 2008 in “Anhui nongye kexue” Mongolia sheep hair follicles grew well in a serum-free medium for 19 days.
11 citations
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October 2017 in “Journal of Investigative Dermatology” Applying certain inhibitors to the skin can promote hair growth without harming cells.
32 citations
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September 2010 in “Stress” Neurosteroids help protect fetal brains from asphyxia damage.
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.
The study concluded that hirsutism is most common in women aged 14 to 48, often caused by PCOS, and can be effectively treated with Nd YAG laser and IPL.