34 citations
,
February 2013 in “The Journal of Clinical Endocrinology and Metabolism” Many young Italian women have hyperandrogenic disorders like PCOS, which are linked to age, body weight, and insulin resistance.
15 citations
,
August 2010 in “Fertility and sterility” Metformin works better for adolescent girls with PCOS who have certain genetic variations.
2 citations
,
September 2008 in “Fertility and Sterility” Adult offspring of sperm donation generally feel positive about their conception and view the donor as their biological father.
256 citations
,
October 2013 in “Proceedings of the National Academy of Sciences of the United States of America” Growing human skin cells in a 3D environment can stimulate new hair growth.
99 citations
,
June 2005 in “Journal of Cosmetic Dermatology” Hair ages due to genetics and environmental factors, leading to graying and thinning, with treatments available for some conditions.
78 citations
,
October 2012 in “Biomaterials” Larger spheroids improve hair growth, but size doesn't guarantee thicker hair.
42 citations
,
February 2021 in “Signal Transduction and Targeted Therapy” Hair follicle regeneration possible, more research needed.
25 citations
,
August 2010 in “Acta Biomaterialia” Researchers developed a method to grow hair follicle cells for transplantation using a special chip.
24 citations
,
September 2002 in “Dermatologic Surgery” The place where hair is transplanted can affect its growth and survival rates.
4 citations
,
November 2006 in “Dermatologic Surgery” Transplanted transected hair follicles can survive but grow at unsatisfactory rates and are thinner, suggesting limited potential for unlimited donor hair supply.
March 2015 in “Aesthetic Surgery Journal” The book is a valuable, comprehensive guide on hair transplantation, recommended for surgeons and students, with minor areas for improvement.
November 2006 in “Dermatologic Surgery” Cutting hair follicles into pieces for transplantation results in poor growth and thinner hair, and the technique is more invasive than previously thought.
September 2002 in “Dermatologic Surgery” The recipient site can affect the growth and survival of transplanted hair but not its thickness.
174 citations
,
July 2003 in “The Journal of Clinical Endocrinology & Metabolism” Five new mutations in the androgen receptor gene were found, helping to understand androgen insensitivity syndrome better.
January 2020 in “Research Portal Denmark” A short male anogenital distance may indicate incomplete masculinization due to disrupted androgen action.
21 citations
,
December 2015 in “Development Growth & Differentiation” DHT is crucial for urethral formation, and its disruption can affect masculinization and lead to hypospadias.
January 2023 in “Springer eBooks” New understanding of hair loss could lead to better treatments.
September 2021 in “Conference Proceedings” Older men with high total testosterone might not show symptoms, while younger men with hyperandrogenism may experience hair loss or acne.
3 citations
,
January 1985 in “Acta Obstetricia Et Gynecologica Scandinavica” A rare ovarian tumor caused early puberty signs in a 1-year-old girl, but surgery reduced hormone levels.
October 2025 in “Journal of the Endocrine Society” Early physical exams are crucial for timely Klinefelter syndrome diagnosis.
February 2025 in “Journal of the American Academy of Dermatology” Standardized treatment protocols are needed for children with androgenetic alopecia.
January 2016 in “AACE Clinical Case Reports” Treatment restored normal sexual characteristics and blood condition in a patient with testicular cancer.
35 citations
,
June 1997 in “Annals of the New York Academy of Sciences” Early diagnosis and multidisciplinary care are crucial for managing PCOS in adolescents.
111 citations
,
May 2001 in “Human reproduction update” Insufficient androgen action in male fetuses can cause genital development issues due to genetic mutations or environmental chemicals.
February 2026 in “Journal of Clinical Research in Pediatric Endocrinology” Children with Turner Syndrome often have skin, hair, and nail issues linked to hormonal problems, so regular skin checks are recommended.
110 citations
,
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.
186 citations
,
February 1980 in “Clinical Endocrinology” During puberty, hormone levels rise, with early increases in some steroids and most menstrual cycles becoming regular by six years after menarche.
May 2012 in “Reactions Weekly” A man developed hair loss from testosterone treatment but improved with additional medication.
May 2021 in “Journal of the Endocrine Society” The 18-year-old girl likely has a condition called müllerian agenesis, which caused her to not have a uterus and experience no menstrual periods.
November 2025 in “European Journal of Endocrinology” Hair steroid profiling is a feasible, non-invasive alternative to serum analysis for assessing hormone levels and metabolism.