Hey Im Super Worried But Im Pretty Sure Im Over

Hey im super worried but im pretty sure im over reacting. But i cant get it out of my head. So 4 months ago I was with my boyfriend and we had a condom and he only put it in once and i said no more so he pulled out and didnt ejaculate at all inside or near me. Ive got my period and it was regular like always i got it 3 times and it was normal but this 4th time like right now its really light still same pain kinda bad but ok and blood clots but not as much blood. I haven't done a pregnancy test because we figured i didnt need it but i still can't get it out of my head. Am i pregnant?
should i take a test?. And im 17 and super scared.