MENSTRUAL CYCLE

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• Menstrual cycle is defined as cyclic events that take place in a rhythmic fashion during the reproductive period of a woman’s life. Menstrual cycle starts at the age of 12 to 15 years, which mar... ks the onset of puberty. The commencement of menstrual cycle is called menarche. Menstrual cycle ceases at the age of 45 to 50 years. Permanent cessation of menstrual cycle in old age is called menopause. • Duration of menstrual cycle is usually 28 days. But, under physiological conditions, it may vary between 20 and 40 days. • There are four main phases of the menstrual cycle: menstruation, follicular/proliferative, ovulation and luteal phase [Show More]

Last updated: 10 months ago

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