85 citations,
June 2008 in “Annals of the New York Academy of Sciences” PCOS starts in adolescence with hormonal issues, leading to adult health problems, and early treatment is crucial.
11 citations,
April 2013 in “Homo” Darker skin in 10-year-old girls may be an early sign of puberty.
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.
1 citations,
January 2018 in “Pediatrics in review” A 7-year-old boy with a brain tumor developed early puberty, which was successfully treated with medication.
January 2023 in “Zdravstvena zaštita” Aging-related hormone changes affect voice quality, especially during puberty, menstruation, pregnancy, and menopause.
February 2022 in “Obstetrics and gynaecology cases - reviews” PCOS can cause unusual symptoms like late puberty and enlarged clitoris, making diagnosis difficult.
124 citations,
June 2002 in “Best Practice & Research Clinical Endocrinology & Metabolism” Polycystic Ovary Syndrome likely starts in childhood and may be genetic and influenced by early hormone exposure.
25 citations,
June 2012 in “Endocrine” PCOS may start before birth, involves metabolic issues, and can be treated with drugs like metformin and lifestyle changes.
430 citations,
July 2002 in “Journal of Endocrinology” The hypothesis suggests that PCOS may start early in life due to genetic and environmental factors, influencing future reproductive and metabolic problems.
40 citations,
December 2011 in “British Journal of Dermatology” Women's hair generally gets thinner and less dense starting in their mid-thirties, with hair loss becoming more common as they age due to both genetics and environment.
October 2023 in “BMC endocrine disorders” A pineal tumor caused a boy's early puberty, which changed from peripheral to central after treatment.
173 citations,
May 2001 in “Human reproduction update” Oestrogens are key for bone growth during puberty in both boys and girls.
85 citations,
October 2012 in “Dermatologic Clinics” Alopecia Areata is an autoimmune condition often starting before age 20, with varied treatment success and a need for personalized treatment plans.
22 citations,
March 2019 in “Environmental health” Higher fluoride levels may delay puberty in boys.
44 citations,
November 2009 in “Archives of Dermatology” CYLD mutations cause a variety of skin tumors with symptoms starting around age 16, and treatments are currently limited.
6 citations,
July 2015 in “International Journal of Dermatology” Trichoepitheliomas can be hard to distinguish from other skin conditions and often start in teenage years.
September 2022 in “JAMC. Journal of Ayub Medical College, Abbotabad, Pakistan/Journal of Ayub Medical College” A boy with a rare skin condition improved quickly after starting zinc supplements.
41 citations,
November 2013 in “Experimental Dermatology” Leptin, a hormone, is important for starting hair growth.
16 citations,
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.
6 citations,
July 2017 in “Case Reports” Hair loss, known as androgenic alopecia, can start in teenage years and may not always be hormone-related. It's important to do extra tests in young cases and remember it can greatly affect a teenager's mental health.
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.
30 citations,
July 2004 in “Fertility and Sterility” Amenorrhea is when a woman doesn't have periods, with primary amenorrhea starting by age 15 or within five years of breast development, and secondary amenorrhea when periods stop for three months. It affects 3-4% of women not pregnant, breastfeeding, or in menopause, mainly due to polycystic ovary syndrome, hypothalamic amenorrhea, hyperprolactinemia, and ovarian failure.
90 citations,
October 1998 in “Animal Reproduction Science” Mouflon rams mature gradually with changes in body, horns, and hormones linked to age and seasons, reaching full sexual maturity well after puberty.
January 1999 in “Journal of the European Academy of Dermatology and Venereology” RAPK is a rare skin disorder with pigmented spots, mainly on hands and feet, starting in youth.
31 citations,
January 2018 in “Pediatric annals” Early adrenal gland maturation in young children can be normal, but other serious conditions should be ruled out first.
66 citations,
October 2013 in “Current Opinion in Endocrinology, Diabetes and Obesity” The conclusion is that published guidelines are improving transgender medical care, but more research and education in transgender medicine are needed.
1 citations,
January 2020 in “Elsevier eBooks” Hormone therapy is safe and effective for transgender adults, but requires regular monitoring and mental health support.
Hair and nails can show hormone changes during puberty in dogs.
139 citations,
July 1991 in “Journal of The American Academy of Dermatology” Understanding hair follicle anatomy helps diagnose hair disorders.
116 citations,
December 2013 in “The Journal of Pediatrics” Most youth with gender dysphoria received hormones, had minor complications, and showed a decrease in suicide attempts after treatment.