Emergency contraceptives may prevent pregnancy if used within 72 hours of -Coitus-Menstruation-Ovulation-Implantation-

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Emergency con...

Question

Emergency contraceptives may prevent pregnancy if used within 72 hours of _________.

Menstruation

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Ovulation

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Coitus

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Implantation

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Solution

The correct option is C
Coitus

Emergency contraception must be used after coitus within 72 hours to prevent pregnancy. It prevents pregnancy by temporarily stopping ovulation. Sperms can live inside the uterus for 2-3 days, a maximum of 6 days after coitus. If ovulation is prevented during this period, fertilization and hence pregnancy can be prevented.

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Emergency contraceptives may prevent pregnancy if used within 72 hours of---------.

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Standard XII Biology

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