What are the chances??

Hey lovely girls 🥰 so, I started taking the mini pill two weeks ago, (I started it on the third day of my period if that’s any help) aaaand one day I missed a pill but I’ve been taking it regularly after that and a few days has passed. I know that the side affects are irregular bleeding etc, And I started my period again on like 30th of December and idk if its a period or just casual bleeding or something as its constant bleeding and I have cramps. So on new years morning me and my bf had sex and he didn’t pull out in time. So considering I was on my period/took the pill right few days in a row, is it highly possible I could get pregnant from that? I will be taking an emergency contraception tomorrow, but I read that it may not be effective due to being on mini pill??

Sorry If I can’t tell the story straight am horrible at explaining 🤦🏼‍♀️🤦🏼‍♀️🤦🏼‍♀️