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 ...

Girls in the U.S. are getting their first period earlier than in decades past. Researchers say there are multiple factors causing early puberty, including obesity and environmental pollutants. Girls ...

Everyone's period is slightly different, and odds are, you have a good sense of what's normal for you. But when things start to deviate outside the norm — like a period that starts and stops — it's ...

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Jessica Biel opens up about getting her first period and dealing with period shame. (Photo illustration: Yahoo News; photos: Noam Galai/Getty Images for KinderMed) Jessica Biel wants to get people ...

More than 65 percent of women ages 15 to 49 in the United States use some form of birth control, and many of them are on hormonal birth control methods like the pill, patch, ring, implant, injections, ...

Pregnancy is almost long enough for you to forget what having a period feels like. But rest assured, the first period postpartum will swoop in to remind you—potentially with a vengeance. Here's ...

A new study out of Brazil links early or late menstruation onset to health struggles later in life. How the timing of your first period can influence your risk of obesity, high blood pressure and ...