Likelihood of pregnancy?

Hi, on Saturday night I had sex with my boyfriend. Now, I love him to death and sex is great but I have severe anxiety about pregnancy. I’m on the pill and hadn’t missed any at the time. We used a condom but when I got off of him it almost slipped off... we’re very sure none got in me and he checked and the condom wasn’t broken. However, I got sick afterwards. So, Saturday night before sex, Sunday night, and Monday I took the pill. I missed it Tuesday and Wednesday because I was going to bed early bc of sick. Thursday morning I took both missed pills and a plan b (even though it’s after 72 hrs). Do you think I’ll be okay? The sex was on my period but near the end and I can’t wait a whole month to find out if I’ll get my period...