Chances of conception?!

Domonique
I went to see the gynie on the 12th and i was near ovulation the egg was 2.3cm big om the sonar  dr said im going to ovulate in the next two days so we had sex that night what do you think is the chances that i will conceive, i think  i ovulated on the 13th coz i could feel cramping. Going back today to see if i ovulated. I had sex one day before ovulation!