A member asked:

My 9 year old daughter has developed under arm hair. but is showing no other signs of puberty. is this age appropriate?

A doctor has provided 1 answer

Can be: This feature is governed by the adrenal glands which can become active as early as 6. It is independent from the brains signals to start puberty. However, 9 would be old enough to start seeing pubertal changes in a girl. The first notes sign would be nipple fullness.

Answered 9/7/2019

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