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 ...

By about 2 to 3 years after a girl's first period, her periods should be coming around once in every 4–5 weeks and that would be her menstral cycle. Periods usually last for about 5 days on average.

Your first period isn't as sneaky as some may say it is. ... Most girls will notice the below signs and bodily changes in the order that they’re listed, Dr. Dweck noted.

Approximately two years after the first signs of puberty appear, you can anticipate the commencement of your first period. The timeframe for this can range from six months to three years. If you have ...

A new ad about a girl’s first period has taken the Internet by storm, sparking conversations between moms and daughters about this rite of passage.

Girls in the U.S. are getting their first period earlier than in decades past. Researchers say there are multiple factors causing early puberty, including obesity and environmental pollutants.

If you have severe period pain, pelvic pain, pain during sex, fertility troubles, and fatigue, those may be signs you have endometriosis. Treatment can help.

Girls in the U.S. are getting their first period earlier than in decades past. Researchers say there are multiple factors causing early puberty, including obesity and environmental pollutants.

Girls in the U.S. are getting their first period earlier than in decades past. Researchers say there are multiple factors causing early puberty, including obesity and environmental pollutants.