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 ...

Your period may be early because of excessive exercise, high stress, rapid weight loss, perimenopause, medications you’re ...

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 ...

A North Jersey woman needed a blood transfusion at 13 after her first period. She's running a marathon to raise awareness for ...