Hello, I had unprotected sex on the 2nd day of my

Patient: Hello,I had unprotected sex on the 2nd day of my period..As i was worried i took I-Pill within 2 hours of sex..but after taking I-Pill bleeding has been stopped..Usually i get bleeding on 3rd day..Is there anything to worry? Is it ok to take I-Pill during periods and what are the chances of pregnancy after taking I-Pill??

Doctor: