Biology, asked by aravahuja5212, 1 year ago

What happens to the uterus if fertilisation has failed to take place

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Answered by rupali1940
7

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If the egg is fertilized by a sperm as it travels down the fallopian tube, then pregnancy occurs. The fertilized egg attaches to the lining of the uterus. The placenta then develops. ... If the egg does not become fertilized, the lining of the uterus (endometrium) isshed during menstruation.

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