Can someone please help me??? 😭😭

in March me and my bf were messing around and he was fingering me and I jerked him off. he didn't cum but had some precum. he went to the bathroom before fingering Me and he washed his hands. then he fingered me. I got my periods regularly but my tummy is getting bigger and I'm kind of worried about pregnancy. because idk if there was still any sperm on his hands or anything. I've gotten my periods at the right time and ewcm when ovulating. I can't get a test. Is this even possible? I know it sounds stupid but I'm just worried and have bad anxiety. no negative comments please. please help. thank you.