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InterviewSolution
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Why does menstruation occur? |
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Answer» Themenstrual cycleoccurs due to the rise and fall ofhormones.This cycle results in the thickening of the lining of the uterus, and the growth of anegg, (which is required forpregnancy).The egg is released from an ovary around day fourteen in the cycle; the thickened lining of the uterus providesnutrientsto an embryo afterimplantation.If pregnancy does not occur, the lining is released in what is known as menstruation |
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