I had sex on Nov 17 by 1.30pm wif my bf bt he released inside me 3tyms I bought postinor 2 and i drank d first tablet after 10 hours den on Nov 18 by 1.00pm we had sex Nd he released in me again and den I took d sec tablet by 2.00pm...I want to know if I can tk another postinor or will d one I took previously work for me