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Start your period before age 10 — or after 15? How it can impact your lifelong health, from obesity to heart issues
Your period could be crampin’ your style — and your future health. Girls are reaching puberty faster than previous generations, a phenomenon perplexing researchers. The average age of the start of ...
Your best friend, Julia, has it. Even Karen, the 10-year-old down the street, has it. So why don't you have your period yet? A girl's period, also known as menstruation, begins after she has reached ...
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