2 citations
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July 2008 in “Paediatrics & child health” Severe acne in a young girl may indicate underlying hormonal issues.
192 citations
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January 1976 in “The Journal of Clinical Endocrinology & Metabolism” Androgen levels increase with puberty and are linked to sexual hair development.
22 citations
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April 1967 in “Australian Journal of Zoology” Southern elephant seals develop hair follicles and skin layers before birth, with moulting starting a week after birth and finishing in three weeks.
June 2011 in “European Journal of Pediatric Dermatology” An 11-year-old girl with hair thinning was diagnosed with monilethrix and early androgenetic alopecia.
12 citations
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June 2009 in “Journal of Cosmetic Dermatology” Loose Anagen Hair syndrome occurs in dark-skinned children and often improves on its own.
10 citations
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August 1998 in “Journal of Investigative Dermatology” 9 citations
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August 1986 in “Archives of Pediatrics and Adolescent Medicine” Familial sexual precocity in girls may be more common than previously thought.
160 citations
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January 2014 in “Seminars in cell & developmental biology” Early development of hair, teeth, and glands involves specific signaling pathways and cellular interactions.
186 citations
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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.
11 citations
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June 2005 in “Postgraduate Medical Journal” Some infants temporarily grow scrotal hair, which usually disappears on its own without any health issues.
16 citations
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January 2005 in “Pediatric Dermatology” A 10-year-old girl with Fox Fordyce disease improved with treatment, suggesting the disease can occur before puberty and might be underdiagnosed in young girls.
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.
33 citations
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August 2000 in “Experimental Cell Research”
November 2019 in “Monatsschrift Kinderheilkunde” The document concludes that pediatricians play a vital role in supporting adolescents through puberty and should enhance their competence in this area.
37 citations
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June 2011 in “Pediatrics in Review” Puberty is driven by hormonal changes, mainly influenced by genetics, nutrition, and body fat.
11 citations
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April 2013 in “Homo” Darker skin in 10-year-old girls may be an early sign of puberty.
5 citations
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July 2019 in “Nutrients” Low selenium intake may delay puberty in boys but not in girls.
1 citations
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January 2013 in “Indian journal of dermatology, venereology, and leprology” A girl inherited excessive body hair from her mother and grandmother.
October 2023 in “IJEM case reports” A 15-year-old girl with no menstrual period was diagnosed with a genetic condition that makes her body unable to respond to male hormones, leading to female characteristics despite having male genetic makeup.
December 2022 in “Journal of Medical Case Reports” A 20-year-old woman was found to have a rare ovarian tumor causing symptoms like acne and a low-pitched voice, which disappeared after the tumor was removed.
18 citations
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January 1992 in “Dermatology” A 4-year-old girl has a rare condition causing hairlessness and skin bumps, but normal teeth and sweating.
December 2012 in “Journal of dermatological science” Langerhans cells and melanocytes migrate to the skin and hair follicles during early human development.
1 citations
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May 2018 in “Clinical chemistry” The girl's unexpected pubic hair growth led to a diagnosis different from complete androgen insensitivity syndrome.
40 citations
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January 2010 in “International Journal of Trichology” Loose Anagen Syndrome is a hair condition where hairs can be easily pulled out, mainly affecting young girls, and may improve on its own or with treatment.
4 citations
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July 1979 in “Journal of the American Academy of Dermatology” The hair and oil glands react by changing structure when stressed.
April 2023 in “Journal of Investigative Dermatology” The research mapped gene activity in developing mouse skin and found key markers for skin cell types and changes from fetal to early postnatal stages.
1 citations
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August 2019 in “Journal of pediatric & adolescent gynecology” A new genetic change causing early stop in the androgen receptor gene was found in a patient with androgen insensitivity syndrome.
1 citations
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July 2001 in “Pediatrics in review” The girl has a hormonal imbalance causing increased hair growth and other male characteristics.
October 1995 in “Pediatric Research” 19 citations
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February 2001 in “Journal of paediatrics and child health” A new mutation in the mitochondrial DNA was found in a boy with MELAS, even though his family didn't show typical signs.