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When Will I Start My First Period?

From , former About.com Guide

Updated June 28, 2004

About.com Health's Disease and Condition content is reviewed by the Medical Review Board

Question: When Will I Start My First Period?
Answer: Most girls start their first periods at about 12 or 13; however some girls may have periods by the age of 8 and still others may not have a period until they are 14 or 15. Girls who have not menstruated by the age of 16 should see their health care providers to determine if there is an underlying condition causing primary amennorhea.

Questions and Answers About Periods for Teens

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