 [ Symptoms ] what is the treatment for chlamydia [ Disease ] hi first you need to get some plan b and take it there is 72 window to take it ok ok just in case you do not know how your cycle works it s like this day 1 first day of your period day 14 is ovulation day give or take a day day 21 is implantation day then on to your next period ok male sperm takes 3 days to reach your womb and depending where you read it can live from 5 7 or 10 days so if this unprotected sex was say day 8 then yes you could get pregnant if you do not take plan b or something like it does this help you good luck