Which of the following would be most appropriate for a nurse to use when describing menarche to a 13-year-old?

A female’s first menstruation or menstrual “periods”The first year of menstruation or “period”The entire menstrual cycle or from one “period” to anotherThe onset of uterine maturation or peak growth

Explanation.

Menarche refers to the onset of the first menstruation or menstrual period and refers only to the first cycle. Uterine growth and broadening of the pelvic girdle occurs before menarche.