tiba² bleeding

sya bru jer abis period , tpi msa hari 12 & 13 ada pulak keluar darah fresh skit dn kalau lap guna tisu ada darah and lendir ...dah 2 hari mcm tu...btw sya tak hamil pun...first time mcm ni...bole bntu tak sapa2 ada pengalamn mcm ni ...???#pleasehelp