Question

what heppen when egg is not fertilised?​

Answer 1

Fertilization is actually the process of fusion of the sperm and the ovum of the egg.

In human fertilisation occurs in the body of the female partner.

If egg thier is not fertilized then it means that male germ cells haven't reached thier, and hence, embryo formation will not take place.

If fertilization don't occurs the realised egg and the thickened inner walls of the uterus along with its blood vessels are shed off. This causes bleeding called menstrual flow.

Answer 2

it will leads to menstruation