Sex timing: Wow, a great question and i don't have enough room to answer. Sperm can live inside you for up to 96 hours/4 days. A woman typically ovulates 14 days before next. I.E. Day 16 of a 30 day cycle i would subtract six days from before and after suspected ovulation. If your menses are irregular--you're never safe and i would recommend some form of birth control. Hope this helps.
Answered 11/26/2013
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