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.

As an adolescent, talking about getting your period for the first time with your mom or the mother figure in your life has never been easy, but now, thankfully, there are a plethora of resources to ...

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 ...