Originally Posted by
twointow83
I misunderstood the question...I thought you were asking if you still had a chance of it being a real O. But I still say Yup :) It takes roughly 2 hours for sperm to make it from vagina to tubes. Most ppl generally O 24-36 hours from +OPK. Lets pretend you know for a fact that your surge started at say midnight last night. It's a good bet then that you would O sometime tonight or tomorrow. Then the egg survives for an additional 24 hours meaning that even if you O'd right this second your hubby's sperm still have a 10 hour jump on the eggs expiration time :) Does that all make sense?