1.

What is menstruation?Why does it occur

Answer»

The menstrual cycle is the regular natural change that occurs in the female reproductive system that makes pregnancy possible. The cycle is required for the production of oocytes, and for the preparation of the uterus for pregnancy.Themenstrualcycleoccursdue to the rise and fall of hormones. This cycle results in the thickening of the lining of the uterus, and the growth of an egg, (which is required for pregnancy). If pregnancydoesnotoccur, the lining is released in what is known asmenstruation.



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