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Withdrawal or coitus interruptus prevents conception by:

ABlocking the cervix during coitus
BKilling sperms in the vagina
CInhibiting ovulation
DWithdrawing the penis before ejaculation to avoid insemination
Answer & Solution
Correct answer: D. Withdrawing the penis before ejaculation to avoid insemination
Coitus interruptus relies on the male partner withdrawing the penis from the vagina **just before ejaculation** so that semen is not deposited in the female tract.
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