46 citations
,
August 2006 in “PubMed” A genetic defect causes males in some Mediterranean populations to be born with ambiguous genitalia and develop male traits at puberty.
October 2020 in “Medicine - Programa De Formación Médica Continuada Acreditado” Female hyperandrogenism is a condition caused by too much male hormones, leading to skin issues and ovulation problems, often due to Polycystic Ovary Syndrome, and is treated based on individual symptoms.
11 citations
,
February 1980 in “BMJ. British medical journal” Hirsutism is common body hair growth due to genetics and hormones, and while not a disease, it can be distressing; virilisation includes hirsutism with other male traits and needs medical attention.
September 2021 in “Physiology News” Conditions affecting sex development show that sexual diversity is a natural part of human variation.
2 citations
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March 2003 in “Endocrine Practice” The woman's symptoms and tests suggest her adrenal glands are producing too many male hormones.
November 1993 in “PubMed” Hirsutism, excessive male-pattern hair in women, can be caused by high androgens or skin sensitivity, diagnosed by testosterone levels, and treated with hair removal and hormone therapy.
16 citations
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August 1989 in “Human Reproduction” Hirsutism in females is caused by high male hormones or sensitive hair follicles.
53 citations
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October 1984 in “Endocrine reviews” Excessive hair growth in women often has no known cause and is not linked to race or other hormonal symptoms.
138 citations
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November 1974 in “Biological reviews/Biological reviews of the Cambridge Philosophical Society” Males and females differ in lifespan, growth, organ size, metabolism, and brain structure, with females generally living longer and maturing earlier.
October 2019 in “European Journal of Dermatology” The boy's hair and skin color differences are due to a pigmentation disorder.
24 citations
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January 2011 in “Sexual Development” Intersex frogs have different brain gene activity related to sex and thyroid hormones.
January 2011 in “Journal of pediatric endocrinology & metabolism/Journal of pediatric endocrinology and metabolism” Hyperthyroidism can hide signs of high androgen levels in females.
28 citations
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March 2000 in “Obstetrics and gynecology clinics of North America” Hirsutism in teen girls is common, usually harmless, but can sometimes signal serious issues and is treatable.
July 2011 in “British Journal of Dermatology” Hormone treatment caused hair loss, finasteride helped regrowth.
52 citations
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January 2016 in “Sexual Development” Both genetic and hormonal factors are crucial for bird sex differentiation, and disturbances can cause sex reversal.
April 2019 in “Journal of the Endocrine Society” Sex hormones may be linked to inflammation in Hidradenitis Suppurativa.
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.
September 1976 in “PubMed” Hirsutism is excessive male-pattern hair growth mainly caused by ovarian hormones, and severe cases may require costly treatment with side effects.
March 2010 in “Gynecologic and Obstetric Investigation” Hirsutism in women can be a cosmetic issue or a sign of hormonal imbalance, treatable with hormonal and cosmetic methods.
March 2021 in “AACE clinical case reports” A man with both Klinefelter syndrome and primary hyperparathyroidism showed a rare combination of symptoms and genetic patterns.
3 citations
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December 1967 in “Australasian Journal of Dermatology” Becker's Melanosis and Hypertrichosis mainly affects young males, causing brown skin patches and extra hair on one side of the upper body.
September 2022 in “Annals of medicine and surgery” Three siblings with a rare genetic condition had abnormal sexual development and chose different gender identities, needing surgery and therapy.
110 citations
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January 1984 in “Progress in brain research” Gonadal hormones may influence sex differences in play fighting in animals, but their effect on human spatial behavior is unclear and needs more research.
1 citations
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February 2022 in “Online journal of biological sciences” The document does not determine if adults with aphallia are fertile.
2 citations
,
November 2022 in “Veterinary sciences” The interdigital gland of Vembur sheep shows sex-based differences in size and chemical makeup, possibly affecting communication and disease protection.
3 citations
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December 2013 in “American Journal of Dermatopathology” A rare skin growth in a baby was successfully removed without coming back.
54 citations
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November 1995 in “The Journal of Clinical Endocrinology & Metabolism” Females with 5 alpha-reductase-2 deficiency have less body hair, no acne, normal fertility, and delayed menarche.
11 citations
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January 2023 in “World Journal of Clinical Cases” Idiopathic hirsutism might not be truly idiopathic but could be an early stage of hyperandrogenic disorders.
A 22-year-old woman with a rare genetic condition was successfully treated to develop normal female characteristics and regular menstruation.
37 citations
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January 2009 in “Sexual Development” Fadrozole and Finasteride change frog sex ratios and cause intersex animals with altered gene expressions.