Puberty: In girls start with breast enlargement.Then continues with axillary hair, then pubic hair and finally menstruation. Average puberty in usa is around year 13. Occur in average : 2 1/2 year after breast enlargement.
Answered 4/19/2015
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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