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Normal PubertyIn Girls
The signs of puberty include:
Growth of pubic and other body hairGrowth spurtBreast developmentOnset of menstruation (after puberty is well advanced)Acne<div>
In Boys
The signs of puberty include<sup>1</sup>:
Growth of pubic hair, other body hair, and facial hairEnlargement of testicles and penisMuscle growthGrowth spurtAcneDeepening of the voice</div><div>
Precocious Puberty
The symptoms of precocious puberty are similar to the signs of normal puberty but they manifest earlier—before the age of 8 in girls and before age 9 in boys.
Delayed Puberty
Delayed puberty is characterized by the lack of onset of puberty within the normal range of ages.
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