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Progestogen and progestogen-estrogen combinations work only up to 72 hours after casual unprotected intercourse.

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in Biology – Class 12 by (271k points)
Progestogen and progestogen-estrogen combinations work only up to 72 hours after casual unprotected intercourse.

(a) True

(b) False

I got this question in my homework.

This intriguing question originated from Reproductive Health topic in section Reproductive Health of Biology – Class 12

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The correct answer is (a) True

To elaborate: Progestogen and progestogen-estrogen contraceptives work by preventing the release of egg or by inhibiting the entry of sperm into the fallopian tube or by preventing fertilization. Hence they should be administered within 72 hours of coitus. After 72 hours, the chances of egg being fertilized are very high.

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