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A 22-year-old female asked about a female:

Help my friend hasn't had her first period! her mom was 15 when she has hers, she is 12. she is 5"1 and weighs 95lbs. she hit puberty about 2 years.

1 doctor answer2 doctors weighed in
Dr. Janice Alexander
Obstetrics and Gynecology 43 years experience
Not a problem!: Starting a period can be normal any time from age 9-17. It has everything to do with genetics , weight , and lifestyle. Your friend should see a provider if she is concerned.

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Last updated Sep 29, 2016

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