Yesterday I Had An Intercourse With My Boyfriend Without Using

Yesterday I had an intercourse with my boyfriend without using any safety n before that only I had a bleeding from past days even then I had intercourse yesterday for the first time i Dono whether I have lose my virginity or what...n his semen didn't go inside since he took off from vagina when it's about to come even then I took a i-pill yesterday for safety purpose I need to know how it works...n till now no changes from d body