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 ...

There's no excuse for being ill-informed about your daughter's health and well-being as a dad. Here are the best ways to ...

The age you got your first period, also called menarche, is one of those milestones people remember forever. It feels loaded with meaning, and for good reason. Hormones, growth, fertility, and the ...

For girls, starting their period is inevitable. But the age when a child’s period begins, called menarche, can tell them a little about their health later in life. Menarche that begins “anytime ...

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 ...