28 citations
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August 2018 in “BMC genomics” DNA methylation changes are linked to hair growth cycles in goats.
1 citations
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February 2017 in “Journal of gynecology and womens health” The document concluded that more research is needed to understand how estrogen affects the enzyme involved in hirsutism development.
11 citations
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January 2014 in “The Journal of Clinical Endocrinology & Metabolism” Estrogen formation in hair roots affects hair growth and varies by site, gender, and age.
72 citations
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November 2002 in “Journal of Investigative Dermatology” Estrogen receptor α controls hair growth cycles and skin thickness in male mice.
The treatment changed hormone levels and increased sexual behavior in female capuchin monkeys.
24 citations
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October 2017 in “Scientific reports” Changing light exposure can affect hair growth timing in goats, possibly due to a key gene, CSDC2.
80 citations
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January 1988 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” Spironolactone can cause side effects like irregular bleeding, but lower doses may reduce these effects and still improve hirsutism.
120 citations
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November 2014 in “Biological Reviews” The telogen phase of hair growth is active and important for preparing hair follicles for regeneration, not just a resting stage.
10 citations
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July 2015 in “Veterinary Dermatology” Estradiol gel can cause hair loss in dogs.
July 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair growth cycles need varied signals in space and time.
2 citations
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February 2023 in “F&S Reports” Elagolix did not effectively treat polycystic ovary syndrome.
February 2020 in “Research Square (Research Square)” The research identified key genes that control the growth cycle of cashmere in goats, which could help improve cashmere goat breeding.
September 2015 in “Advances in small animal medicine and surgery” Deslorelin can help regrow hair in most intact male dogs with alopecia.
November 2025 in “Asian Journal of Medical Sciences” Early menarche may indicate higher risk of severe hirsutism in PCOS patients.
June 2011 in “Portuguese National Funding Agency for Science, Research and Technology (RCAAP Project by FCT)” Estrogens and androgens are crucial for male fertility.
1 citations
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January 2013 in “UNICA IRIS Institutional Research Information System (University of Cagliari)” Hormonal contraceptives may reduce social behavior and sexual motivation by lowering allopregnanolone levels.
44 citations
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October 1990 in “Archives of Dermatological Research” The connective tissue around hair follicles changes structure throughout the hair cycle.
30 citations
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July 2004 in “Fertility and Sterility” Amenorrhea is when a woman doesn't have periods, with primary amenorrhea starting by age 15 or within five years of breast development, and secondary amenorrhea when periods stop for three months. It affects 3-4% of women not pregnant, breastfeeding, or in menopause, mainly due to polycystic ovary syndrome, hypothalamic amenorrhea, hyperprolactinemia, and ovarian failure.
32 citations
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September 1966 in “Journal of Investigative Dermatology”
67 citations
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July 1985 in “British journal of dermatology/British journal of dermatology, Supplement” Men's thigh hair grows longer and has a longer growth cycle than women's, but arm hair growth is similar between genders.
17 citations
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January 1986 in “Acta obstetricia et gynecologica Scandinavica” Spironolactone can reduce hair growth and testosterone in hirsutism, but is less effective than combined treatments.
1 citations
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May 2019 in “The Journal of Sexual Medicine” Spironolactone may cause sexual pain and arousal issues in women, which can improve after stopping the drug and using hormone cream.
January 2025 in “Brazilian Journal of Veterinary Medicine/Revista Brasileira de Medicina Veterinária” Deslorelin implant successfully regrew hair in a female Pomeranian with alopecia X.
5 citations
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May 2021 in “Small ruminant research” The study found specific proteins that could mark different growth stages of cashmere goat hair and may help improve cashmere production.
15 citations
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May 1986 in “Journal of the American Veterinary Medical Association” Castration helped a dog with a tumor and hair loss by normalizing hormone levels and regrowing hair.
1 citations
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December 1998 in “PubMed” Surgery on a 68-year-old woman with an ovarian tumor led to reduced hirsutism and normal testosterone levels.
1 citations
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February 1991 in “Journal of Biological Chemistry” January 2010 in “BMC Genomics” Key genes influence cashmere growth cycles, aiding goat breeding.
14 citations
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July 2016 in “Journal of Endocrinology” The equine epididymis mainly uses type 1 5α-reductase, and both finasteride and dutasteride can inhibit its activity.