why my period is has not stoped?

Stephany

ok im getting pretty scared ok i started my period sept.11 and then it sortof stoped then just this week it was just some spotting and just if i wiped i would see old blood but yesterday was my ovulation time this app said so we had intercourse but today i had some little minnie cramps bur just went to the bathroom to pee and i was bleeding again like a period no idea why or whats going on anybody can help suggest?