A member asked:

Lmp 4/27. could i get preg from sex on 5/1 if cycles are 30+ days? on 6/23/14 by us edd 2/17/15 @ 5w5d how accurate is this at this stage?

A doctor has provided 1 answer

Yes: The rhythm method offers some protection against pregnancy, or gives some idea of fertility for those trying to conceive, but it isn't fool proof. Ovulation isn't always like clockwork and sperm may persist in the fallopian tubes for as much as 24 hours.

Answered 10/11/2014

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Thank

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