A female’s first menstrual period, known as menarche, occurs during puberty. Menstruation indicates that the body is mature enough for reproduction. About 98% of girls begin their periods by age 15.

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The age of one's first period can predict their health in the future. (lastudio87 / Getty Images) For girls, starting their period is inevitable. But the age when a child’s period begins, called ...

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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 ...

I still remember the first time I calmly went to my Ma and informed her that I got my first period. I was still a kid, but my mom said, "My baby's all grown up now" in an emotional voice. To say that ...

While period pain and heavy menstrual bleeding are common, they’re often dealt with privately. Yet they take a profound toll ...

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 ...