Question

what happens if an egg is not fertilized after being released from the ovary?
it is absorbed again by the ovary.
it is released again during the next cycle.
it is shed from the uterus during menstruation.
it implants into the uterus until sperm are present.

Explanation:

When an egg is not fertilized after being released from the ovary, the lining of the uterus (endometrium) which has thickened in preparation for a possible pregnancy is no longer needed. During menstruation, this lining along with the un - fertilized egg is shed from the uterus.

Answer:

It is shed from the uterus during menstruation.