Question

What happen in case the egg released by the ovary is not fertilized

Answer 1

Hii friend....here is your answer
If the egg is not fertilized then the thick lining of uterus for the implantation of embryo began to break down and the blood comes out of vagina which is known as mensuration or menses duration.
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Answer 2

egg is not fertilized it then eat first goes to the lining of uterus for implementation and after the few days just like 5 for 7 days it break down and going through out the vagina through it some bloods also go out through vagina and this is called Menstruation...
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