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Early puberty also puts girls at a higher risk for teasing or bullying, mental health disorders and short stature as adults. [ 19 ] [ 39 ] [ 56 ] Girls as young as 8 are increasingly starting to menstruate , develop breasts and grow pubic and underarm hair; these "biological milestones" typically occurred only at 13 or older in the past.
Precocious puberty on the rise. In the mid-19th century, girls had their first periods — which typically come about two years after they begin to show signs of breasts or pubic hair — at age ...
The researchers found that girls diagnosed with precocious puberty were more likely to have higher BMIs, with increased screen time (girls in the study averaged two hours per day on electronic ...
Studies have shown that females with premature pubarche and lower birth weight obtained reduced height as adults because of early onset of puberty and a shorter duration of puberty. There is ongoing study on metformin therapy in these females with the goal to improve final height. The use of metformin has been shown clinically to prevent ...
Though premature thelarche and precocious puberty are distinct conditions, there is some overlap; an estimated 14 to 18 percent of females who exhibit premature thelarche will additionally develop precocious puberty. [1] [4] [5] Precocious puberty can be identified using a pelvic ultrasound to assess the size of ovaries and uterus relative to ...
Another study, which was published in 2024, found that the average age that girls had their first periods decreased from 12.5 years old in 1950 to 1969 to 11.9 years old in 2000 to 2005.
Typical effects of virilization in children are pubic hair, accelerated growth and bone maturation, increased muscle strength, acne, and adult body odor. In males, virilization may signal precocious puberty, while congenital adrenal hyperplasia and androgen producing tumors (usually) of the gonads or adrenals are occasional causes in both sexes ...
Starting puberty significantly early — younger than age 8 in girls, 9 in boys — may have health effects lasting into adulthood, including higher risks of breast cancer, diabetes and heart disease.