Why does your uterus have to shed during a period?


During a period, it is the lining of the uterus that is shed - not the uterus itself. The reason for this is during your cycle, the body prepares for pregnancy by thickening the walls of the uterus. If the egg is not fertilized, the lining is shed.

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Human reproduction Female reproductive system Reproductive system Menstrual cycle Retroverted uterus uterus Anatomy Pelvis Fertility Organs Obstetrics Pregnancy

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