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On which of the following facts does the...

On which of the following facts does the mehod of periodic abstinence is based?

A

Ovulation occurs on about the `14^(th)` day of menstruation

B

Ovum remains alive for about 1-2 days

C

Sperms survive for about 3 days

D

All of these

Text Solution

Verified by Experts

The correct Answer is:
D
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