Doctor, My Last Period Was 19th February And My Menstrual

Doctor, My last period was 19th February and my menstrual cycle is about 24-25 days. i had a unprotected sex in 7th March and 10th March. And also I used Postinor 2 on 12th March. I did not undergo any side effect like vomiting and bleeding. I just wanted to know is there any possibility to getting pregnant. 14th March would be my next period date, but still I'm not experiencing bleeding.