A member asked:

The normal female starts menopause in her 50's. can you tell me at what age the tested/researched women periods started?

A doctor has provided 1 answer
Dr. Dennis Higginbotham answered

Specializes in American Board of Obstetrics and Gynecology

12.5 years: The average age for the onset of menstruation is 12 years and 6 months of age. Some girls/women begin having periods earlier and some later, the average is 12.5 years.

Answered 11/20/2014

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