Age of first period offers clues to heart, metabolic, and reproductive risks in the future.

Summer camp is an exciting time, but there's also a chance your child's first period will arrive while they are away. Here's ...

Your menstrual cycle has been on hiatus during your pregnancy. But there may be changes ahead when you get your first period after giving birth. Here's what you need to know. After giving birth, it's ...

It’s a tale as old as time. Around half of adolescents going through puberty will get their period. In high-income countries, an adolescent’s first period (known as “menarche”) happens on average ...

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 menstruation before the age of 9, which ...

Add Yahoo as a preferred source to see more of our stories on Google. Dads shouldn't shy away from conversations about their daughters' reproductive health—even if conversations about menstruation are ...

Girls are getting their first periods at a younger age, according to a new study. Research conducted by Harvard University's public health school found that, in the US, the time of a person's first ...

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 ...

Researchers say multiple factors are likely impacting early puberty, including obesity, stress and endocrine-disrupting hormones which are widespread in the environment. (SDI Productions/Getty Images ...