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 ...

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 ...

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 ...

Girls in the United States are getting their periods earlier, and it's taking longer for them to become regular, according to a study. The age at which women get their first period, known ...

"I was shocked." "I didn't know what to do." "I thought I was dying." You don't have to look long to find people sharing the stories of getting their first period on social media — and for many, ...

The foods you pack in your kids’ lunch boxes may have an impact on whether they experience their first menstrual cycle too early, according to new research. Eating a more inflammatory diet was ...

The timing of your first period offers important clues about your hormonal health and future fertility. Whether menarche occurs early or late, it may indicate underlying hormonal health, affecting ...

SDI Productions/Getty Images / E+ Girls in the U.S. are getting their first menstrual period about 6 months earlier on average than they did in the 1950s and '60s. And more girls are beginning ...

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 ...