Over the last 55 years, young girls in the US have been getting their first periods earlier and earlier. Nowadays, the average age is roughly 12. Some girls may menstruate as early as 8, according to ...

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 ...

Menstruation is a natural biological process experienced by nearly half the global population. Yet, for many girls, the first period arrives as a surprise—often misunderstood, feared, or even ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Marni Sommer, Columbia University Mailman School of Public Health (THE CONVERSATION) ...

A girl's first period should not arrive as a humiliation.It should not begin with panic in a classroom, a sweater tied tightly around the waist, or the terror of a stain spreading across a school ...

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 ...