help please

Bianca
Me and my boyfriend had sex on October 20th my period ended October 13th but we use protection but I still took the plan b and everything was fined then on Tuesday October 25th he fingered me and it kinda hurt because he went fast and deep next day Wednesday the 26th it hurt and on the 27th until now I was bleeding when I pee only but now it's only brownish blood help please don't know what it is and freaking out never again sex