worried!

okay i need someone to help me out , i missed my period the month of april and barely got it this month on the 13th my period seemed to be normal didnt change my pad as much so once i thought i was done iremove the pad i went to the restroom and wiped and i had brown discharge on the toilet paper and alot of it and my left boob is hurting so bad the whole boob not jus the nipple! is this normal 😁😒