He came in me no birth control? Don’t think I can get pregnant cause of my cyst

Last night me and my boyfriend was having sex and he came in me and when I reached up there I didn’t see any and I didn’t feel any leak out of me. He didn’t fake it, and when he pulled out he was soft so I know he ejaculated. Is it a possibility I can get pregnant? I have one ovarian cyst (non pcos or endometriosis related) and I’m not on any birth control. I’m only 20. Has this ever happened to anybody and they got pregnant? Please help I’m freaking out!