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.
There is a widespread belief that if you get your period early, your reproductive life will end early, and if you get it late ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results