Question

what happens to the inner lining of the uterus in absece of a successful implantation of zygote​

Answer 1

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☆ If there is not a successful implantation of zygote to the inner lining of the uterus, then the inner lining of the uterus begins to break and is releaased out of the body along with the blood and mucus through the vagina.

And zygote will also sloughs off through menstruation. If zygote is implanted successfully, then it leads to pregnancy.

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