October 2025 in “Environment International” Exposure to certain chemicals before birth and during childhood may affect puberty timing.
January 1983 in “Elsevier eBooks” Masculinization in affected individuals occurs gradually after puberty due to hormone changes.
21 citations
,
April 2010 in “Pediatrics in Review” Delayed puberty affects some teens, and early treatment with hormones can help improve their growth and social well-being.
January 2026 in “JCEM Case Reports” Genetics may play a significant role in gender dysphoria.
July 2024 in “Reproductive health of woman” Girls conceived via assisted reproductive technologies show early puberty signs and larger ovaries.
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.
36 citations
,
May 2017 in “The journal of sexual medicine” Cyproterone acetate treatment is safe and causes mild feminization, which increases with added estrogen.
3 citations
,
June 2017 in “Deep Blue (University of Michigan)” Early exposure to fluoride, lead, and certain nutrients affects puberty differently in boys and girls.
58 citations
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April 2017 in “The Journal of Steroid Biochemistry and Molecular Biology” Post-finasteride patients show changed neuroactive steroid levels, possibly causing erectile dysfunction and depression.
20 citations
,
May 1998 in “PEDIATRICS” African-American girls tend to start puberty earlier than white girls, possibly due to increased androgen production.
95 citations
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September 1979 in “Acta Paediatrica” Girls have higher DHEA levels earlier in puberty than boys, indicating earlier development.
March 2026 in “International Journal of Health Science” Pregnancy causes temporary skin changes that are usually harmless.
1 citations
,
April 2024 in “Archives of disease in childhood” Many children and teens referred to gender services receive hormone treatments, but more research is needed on their long-term care and outcomes.
February 2023 in “Frontiers in Endocrinology” Too much male hormone in mothers can negatively affect the sexual behavior of both male and female baby mice.
9 citations
,
November 2018 in “International Journal of Medical Reviews” Young men's sexual dysfunction often has physical causes, which can lead to stress and worsen the problem.
January 2018 in “Elsevier eBooks” 5α-reductase-2 deficiency causes ambiguous genitalia at birth and affects male sexual development, but individuals often develop male characteristics at puberty.
Participating in Sexual Orientation Change Efforts may increase the risk of suicide for sexual minority individuals.
Skin changes throughout life, from development before birth to aging effects like wrinkles, influenced by both genetics and environment.
71 citations
,
February 2006 in “Clinics in Dermatology” Pregnancy causes skin changes like darkening, hair thickening, nail changes, and increased risk of skin growths, most of which usually resolve after birth.
21 citations
,
December 1977 in “Journal of pediatric surgery” Individuals with male pseudohermaphroditism often do better raised as females with early surgery.
November 2022 in “Journal of the Endocrine Society” A transman experienced lasting virilization symptoms after stopping testosterone, which were resolved with estradiol treatment.
31 citations
,
November 2000 in “Journal of the European Academy of Dermatology and Venereology” Skin problems can be linked to sexual abuse, requiring careful medical and psychological evaluation.
February 2010 in “ePrints Soton (University of Southampton)” Male sexual differentiation is regulated independently, while female differentiation occurs in an androgenic environment, affecting conditions like congenital adrenal hyperplasia.
3 citations
,
September 2020 in “Journal of developmental and behavioral pediatrics/Journal of developmental & behavioral pediatrics” The document discusses a young boy with autism and early puberty but does not provide a conclusion on managing his behavior.
62 citations
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April 2013 in “Steroids” PCOS symptoms change with age; younger women have higher androgen levels and less metabolic issues, while older women face more metabolic challenges despite milder PCOS symptoms.
1 citations
,
October 2022 in “Adolescent Health, Medicine and Therapeutics” Gender-affirming therapy can cause skin issues like acne and hair loss in transgender adolescents, and more research is needed on its dermatological effects.
18 citations
,
September 1972 in “British Journal of Pharmacology” PCPA induces hypersexual behavior in male rats regardless of age or castration status.
July 2008 in “International journal of psychophysiology” Cyproterone acetate is a safe treatment that causes mild feminizing effects in adolescent trans-girls.
11 citations
,
January 2019 in “Sexual Medicine” Younger transgender women have surgery earlier, are mostly attracted to men, and show more preoperative depression that improves after surgery compared to older transgender women.
July 2024 in “Journal of Investigative Dermatology” Skin hormone levels change significantly after menopause.