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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Do you remember how old you were when you got your first period? And whether it was considered early, late or about average? Some parents are reportedly overhauling lunchboxes, shampoos and doing all ...

Getting your first period can come with a lot of conflicting feelings, from confusion and fear to excitement or relief. Knowing what to expect — as much as is possible — is one thing that can make ...