A member asked:

Last period was on feb. 27 - march 3. had unprotected sex on march 5. average cycle is 32 days. is it safe from pregnancy?

A doctor has provided 1 answer

Probably safe: Ovulation in a 32 day cycle occurs on day 32-14 = 18. Unprotected intercourse on day 8 of the cycle should not lead to conception, even taking into account that sperm can survive up to 5 days. However, there is no way to be sure that his cycle will be a 32 day cycle. But ovulation would have to occur really early, and the sperm would really have to survive for 5 days for conception to occur.

Answered 3/6/2016

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Thank

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