pls help asap

okay so i got my period as usual ( very painful ) from the 29th to the 2nd .. soo the past two days have been normal , no discharge , nothing .. sooo today i’m sitting down & it feels like i’m kinda peeing on myself so i’m like ???? am i blessed like thaaaat ? 💀 but no .. i go to the bathroom & there is blood it looks like i’m starting my period again .. what is this ? & if anyone’s gonna ask , i did have unprotected sex before my period came so i doubt that’s it .