concerned

Amelia
So I finished my period about 8 days ago and that same day my boyfriend and I had sex. He was wearing a condom & he pulled out (we always do) , I'm also taking Gildess fe 1/20 birth control. Last weekend I also got sick and missed 2 days of the pills and bled for 2 days and then made those pills up and kept taking them regularly. Well after taking them regularly for 2 days I missed this past Friday (it's now Sunday) & Friday I also had a blood test from sick and showed no sign of pregnancy. But as of yesterday (Saturday) I was crapingand bled a tiny bit! Like maybe spotted for 2 hours?! And then this morning my boobs are soooooo sore. What's going on? Could this be from missing so many doses of birth control in a short period of time? And if my blood test showed up negative , would it be possible for it to happen that quick if I was pregnant like implant bleeding or would my blood have been a little higher than normal? I'm thinking it's just from hormones. I'm also taking steroids from being sick and was drinking so I'm
Not sure if any of Those things cancel BC out ? HELP!!!!