Cuts and BC

Hey everyone, i recently started having this problem (about 2-3 months ago) and was wondering if I'm just going crazy or if this has happened to anyone else. ... I've been getting small cuts during/after sex and didnt have this problem until about 2-3 months ago. I didn't even notice the first couple times until afterwards when i would use the bathroom, wipe, and see little spots of blood. and i know this isn't from old blood from a period or anything like that. Now i also started on a new bc pill around that same time (my insurance stopped covering the one i was on before). I'm plenty lubricated during sex and the cuts happen during any position. Theres never more than just a few spots of blood and it stops after wiping (no spots left on my underwear or anything). Has anyone else run into this problem? (and no, no stds/stis my partner and I both got tested 3 months ago. i dont have yeast infection symptoms although ive had a bunch of yeast infections in the past)