Describe the menstrual cycle. What is the duration of the menstrual cycle in women?
Menstruation describes the female period. The menstruation cycle begins when a woman gets her periods. The menstruation cycle refers to the cycles in which a woman’s uterus grows and sheds a lining (the endometrium) which could support the development of a fertilised egg.
The average menstrual cycle lasts 28 days.