Rough sex…lower abdomen pain, lower back pain…

So I’m talking to this guy and we had sex one night after we had a few drinks. He started fingering me, usually make my partner wash their hands but dumb me, I forgot and he did play with me down there and finger me. When we started intercourse he was rough, I haven’t had sex in about eight months, so it did hurt because I could feel how tight it was. But, it did loosen up. The day after I did have light bleeding not enough for a tampon or anything. I thought maybe he knocked my period on. But I did have lower pain under my bellybutton, I think he did hit my cervix. I’m not sure if I’m just being a hypochondriac but I also been feeling a little sick.. we did use a condom the whole time. He tried to take it off and I ended it there. Def not interested in unsafe sex.

Should I be worried?