Add Yahoo as a preferred source to see more of our stories on Google. A new study out of Brazil links early or late menstruation onset to health struggles later in life. How the timing of your first ...

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 ...

Prevent early periods in girls: As age increases, many stages come into life. Children also start becoming young after puberty. There was a time when girls' periods used to start at the age of 12-13 ...

Girls who grow up eating a healthier diet than their peers may be less likely to get their first menstrual periods at an earlier age — regardless of height or body mass index — a new study suggests.

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 ...