Question

What changes are observed in the uterus if the fertilisation does not occur?

Answer 1

If fertilization does not occur in the uterus, the corpus luteum will involute and there will be a drop in the hormone levels, which will cause the uterus to shed its lining and egg in the process called menstruation, where there is blood and uterine secretions are removed through the vagina.

Answer 2

Answer:

Following changes take place in uterus if fertilization does not occur:

The extra lining of uterus degenerates.

Fragments of the uterine lining are discharged through vagina.

Unfertilized egg is also discharged.

Menstruation take place.