6 citations
,
September 2010 in “Animal” Selecting Angus cattle for earlier puberty lowers prolactin levels but doesn't affect hair growth.
16 citations
,
January 2017 in “Asian journal of andrology/Asian Journal of Andrology” Men who start puberty later may have lower sperm quality and different hormone levels in adulthood.
January 2025 in “BMC Pediatrics” Iranian girls in Isfahan typically start puberty around age 10, with menarche at 12.
24 citations
,
October 1995 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” The nafarelin test can reliably distinguish between gonadotropin deficiency and delayed puberty in teenage boys.
October 2025 in “Environment International” Exposure to certain chemicals before birth and during childhood may affect puberty timing.
24 citations
,
January 2019 in “Hormone Research in Paediatrics” Hair cortisol levels in children are influenced by puberty, age, gender, and body mass index.
April 2026 in “International Journal of Drug Delivery Technology” Girls in Tamil Nadu typically start menstruating around age 12.84, influenced by lifestyle and family factors.
October 2022 in “Medical Clinical Update Journal” Early diagnosis and treatment with Leuprolide are key for children with precocious puberty.
13 citations
,
October 2006 in “Pediatrics in review” Early puberty is more common in girls and African-American children, possibly due to nutrition, obesity, stress, and environmental factors, and is treated with hormone therapy.
August 2020 in “Nigerian journal of paediatrics” A 24-month-old Nigerian girl developed early puberty with no family history, needing treatment her family couldn't afford.
58 citations
,
December 2018 in “Nature Communications” Male pattern baldness is mostly inherited, involves many genes, and is linked to other traits like early puberty and strong bones.
June 2025 in “V F Snegirev Archives of Obstetrics and Gynecology” A six-year-old girl has early signs of puberty, needs no treatment, but requires regular check-ups for future health risks.
April 2017 in “Turkish Journal of Pediatric Disease” Careful diagnosis is crucial in premature pubarche cases, as 20% have other conditions.
Careful diagnosis is crucial for premature pubarche, as 20% of cases have other conditions.
3 citations
,
July 2015 in “Pediatrics in review” Precocious puberty is starting earlier due to factors like obesity and chemicals, with treatment focusing on preserving height and addressing social issues.
15 citations
,
May 2010 in “Pediatrics in Review” Delayed puberty often runs in families, can affect growth, and may need hormone treatment.
5 citations
,
February 2020 in “Journal of pediatric & adolescent gynecology” Recurrent vaginal bleeding in young girls without puberty signs may require a genital exam to find hidden causes.
January 2016 in “Springer eBooks” Pubertal acne is linked to hormonal changes, affects quality of life, and is treated similarly to adult acne.
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.
151 citations
,
December 2004 in “Annals of the New York Academy of Sciences” Congenital Adrenal Hyperplasia is a genetic disorder with two forms, causing symptoms like early puberty and severe acne, but can be identified through screening and treated with glucocorticoids.
29 citations
,
February 2016 in “Scandinavian journal of urology” Late puberty may slightly lower prostate cancer risk, baldness is not linked to overall risk but less so with aggressive types, ibuprofen use may increase risk, and vitamins show no effect on risk.
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.
1 citations
,
May 2023 in “Fertility and sterility” Men who went through puberty later had lower sperm counts and altered hormone levels, possibly affecting fertility.
June 2023 in “Journal of personalized medicine” Androgen treatment with dihydrotestosterone may help maintain height in patients with 5-α-reductase type 2 deficiency, especially before puberty.
November 2022 in “Journal of the Endocrine Society” An 8-year-old boy's early puberty was caused by a rare hormone-secreting brain tumor, which was successfully treated with surgery.
10 citations
,
March 2019 in “Journal of neuroendocrinology” Testosterone affects stress hormone levels differently in adolescent and adult male rats.
95 citations
,
September 1979 in “Acta Paediatrica” Girls have higher DHEA levels earlier in puberty than boys, indicating earlier development.
57 citations
,
November 1987 in “Pediatric Dermatology” Children's hair grows in different types from before birth through puberty, with growth rates and characteristics varying by age, sex, and race.
30 citations
,
March 1980 in “European Journal of Endocrinology” Adrenal androgens are important for puberty and are influenced by genetics.
29 citations
,
February 2019 in “Environment international” Higher early lead exposure is linked to delayed puberty in girls.