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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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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