WATCH: The Boston Bruins and Montreal Canadiens weren't trading Christmas cards in the first period of Tuesday's showdown at TD Garden.

Medically reviewed by Cordelia Nwankwo, MD Key Takeaways Breast development usually starts about two years before the first ...

LAS VEGAS – The Vegas Golden Knights scored five goals in the first period and cruised to a 7-2 victory against the San Jose Sharks at T-Mobile Arena on Tuesday.

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 ...

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 ...

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 ...

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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 ...

Meet Dr. Amber Robins, a medical doctor turned entrepreneur who is now the founder of Sanxtuary MD, a Black-owned brand committed to helping women learn about their bodies and manage their menstrual ...

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 ...

Luke Kunin and Anton Lundell scored 43 seconds apart during a five-goal third period for the Florida Panthers, who rallied ...

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 ...