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Which period of menstrual cycle is called risky period of conception?

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3^rd to 7^th day

7^th to 13^th day

10^th to 17^th day

15^th to 25^th day

answer is C.

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Detailed Solution

10-17 days of 28 day menstrual cycle is risky for couples who do not want to conceive. Ovulation is expected around this time period. As chances of fertilisation are very high during this period, it is called the fertile period.

Avoiding coitus during this period is a natural contraceptive method called periodic abstinence.

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