what happens when an egg is not fertilised
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When egg is not fertilized:-
1. The egg lives for 1 day
2. Thivk lining of uterus breaks and comes out through vagina on the form of mucus anf blood along with egg.
3. This cycle takes place every month and known as menstruation cycle
4. It lasts for two - eight days
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Answer:
If zygote is not formed, the inner wall of uterus breaks which causes bleeding through vagina. This process is called MENSTRUATION. It occurs at a regular interval of 28 days.
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