Boys reaching puberty younger

A study of more than 4100 boys, presented at the American Academy of Pediatrics (AAP) conference in New Orleans last week, found the mean age of beginning pubic hair growth and testicular enlargement was six months to two years earlier than documented in research conducted decades ago.

Paediatricians in 41 states recorded the earliest stage of puberty occurring in Caucasian boys at 10.1 years, in African-American boys at 9.1 years and in Hispanic boys at 10.4 years. Overall African-American boys were more likely to start puberty earlier than others.

They

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