A member asked:

This is more for my sister. she turned 13 on oct. 3rd and hasn't got her period. shes 5'2 & 135pds. i'm wondering if thats okay and normal or its not?

A doctor has provided 1 answer
Dr. Robert Vanderbrook answered

Specializes in Family Medicine

Menarche: First menstrual period, or menarche, occurs at approximately 13 years of age on average in the United States. It is not usually considered late until age 15-16. If otherwise healthy, she should be ok.

Answered 9/26/2016

3.6k views

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