So, if your have sex 11 days after your period ends, that's 17 days or so into What are the chances of getting pregnant 11 days after period?. The chances of getting pregnant on period are very low, but the probabilities are ovulation happens before the end of your period or just a few days after the. Although it is possible to get pregnant in the days leading up to your period, it isn' t likely. Chance of becoming pregnant, It's unlikely, It's possible, It's likely from four days before to four days after the midpoint of your menstrual cycle. If you have sex toward the end of your period and you ovulate early.