What is sexual mensuration ? how does mensuration occur? What is the function of placenta during
pregnancy
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What is sexual mensuration ? how does mensuration occur? What is the function of placenta during
pregnancy
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Answer:
The fertilized egg attaches to the lining of the uterus. The placenta then develops. The placenta transfers nutrition and oxygen to the fetus from mother. If the egg does not become fertilized, the lining of the uterus (endometrium) is shed during menstruation.