The menstrual cycle is a hormonal and physical cycle that the body goes through in preparation for pregnancy – often occuring monthly. The menstrual cycle usually starts between the ages of 8 to 16. The beginning of the menstrual cycle often occurs after other sexual characteristics have developed, such as breasts and pubic hair. Menstrual cycles continue until menopause, which usually occurs between the ages of 45-55.
The following Fact Sheet and health information covers the menstrual cycle including the menstrual cycle phases, managing the menstrual cycle and more.