Most men seeking hair transplants have Male Pattern Baldness, influenced by genetics, age, and testosterone, while women's hair loss can be affected by thyroid function, iron, testosterone, prolactin, ferritin levels, and certain conditions. Follicular Unit Extraction is a popular hair transplant technique.
51 citations
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January 2004 in “Domestic animal endocrinology” Melatonin implants and long daylight hours alter the timing of hormone release and hair growth in mouflon sheep.
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July 2025 in “Middle East Fertility Society Journal” Autoimmune markers may help diagnose and manage PCOS.
28 citations
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July 2022 in “Endocrine” Low prolactin in young women may increase heart and metabolism risks.
17 citations
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April 2009 in “Andrologia” A boy's early puberty caused by a testicular tumor returned to normal after surgery.
3 citations
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December 2016 in “PubMed” Menstrual abnormalities in PCOS women may not greatly affect their metabolic and hormonal profile.
2 citations
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May 2013 in “The primary care companion for CNS disorders” A teenage girl's excessive hair growth was caused by a medication for mania, but improved after stopping the medication.
30 citations
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June 1988 in “Journal of Steroid Biochemistry” Flutamide combined with an LHRH agonist effectively inhibits prostate growth, suggesting it could treat prostate cancer.
11 citations
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March 1991 in “PubMed” Hormonal imbalances, including high prolactin and thyroid issues, contribute to hair growth problems in women.
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January 1989 in “PubMed” Hypothyroidism and hyperprolactinemia may cause hair loss in women.
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July 2024 in “Journal of Medical and Life Science” Hormones, genes, and oxidative stress interact to cause hirsutism and PCOS.
September 2025 in “International Journal of Zoology and Applied Biosciences” Women aged 21-26 have a higher rate of PCOS.
January 2020 in “Nihon Yakuri Gakkai nenkai yoshishu” Reducing 5α-reductase activity helps endometrial cells differentiate, aiding pregnancy.
393 citations
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November 2000 in “Archives of General Psychiatry” Testosterone is important for men's sexual function, may help some women's sexual desire, while other hormones and neurotransmitters also play complex roles in sexual behavior.
40 citations
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April 2014 in “Genes & Development” Hormones during pregnancy and lactation keep skin stem cells inactive, preventing hair growth.
38 citations
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October 2006 in “Fertility and Sterility” The document concludes that identifying the cause of amenorrhea is crucial for proper treatment.
34 citations
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May 2013 in “Journal of the European Academy of Dermatology and Venereology” Hair growth slows and shedding increases after childbirth, but most women don't experience excessive hair loss.
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.
26 citations
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July 1995 in “Small ruminant research” Melatonin implants affect the growth and pattern of cashmere goat fleece depending on the time of year they are given.
4 citations
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October 2022 in “Evidence-based complementary and alternative medicine” Ficus carica extract improved fertility in rats and may help with certain health conditions.
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September 2015 in “Reviews in Endocrine and Metabolic Disorders” The document discusses new insights into how hormones affect male sexual health and related conditions.
1 citations
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March 2011 in “Infertility” Hormone imbalances from the pituitary, thyroid, and adrenal glands can cause infertility, but treating these disorders can improve fertility.
1 citations
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November 2007 in “Neuro-chirurgie/Neurochirurgie” Cyproterone acetate is a safe treatment that causes modest feminization in transgender female adolescents, and works better with added estrogens.
September 2025 in “Journal of Psychiatry Spectrum” Mirtazapine can cause male breast enlargement.
October 2020 in “The Egyptian Journal of Hospital Medicine” More than half of the young women checked had PCOS, which was linked to inactive lifestyles and poor diets.
April 2020 in “Journal of the Endocrine Society” Taking thyroid medication reduced the patient's pituitary gland swelling and improved her symptoms.
April 2019 in “Journal of the Endocrine Society” Middle-aged men with unusual hot flashes should be checked for pituitary tumors.
Many women with postadolescent acne also have hormonal imbalances and are at higher risk for metabolic issues.
July 2008 in “International journal of psychophysiology” Cyproterone acetate is a safe treatment that causes mild feminizing effects in adolescent trans-girls.
5 citations
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January 1987 in “Gynecologic and obstetric investigation” Cyproterone acetate implants were more effective at reducing facial hair and improving skin in severe hirsutism than oral treatment.