12 day period and still going

Any other ladies have a super long period mine are topically7 days well on my 7th day it pretty much stopped and i just had some old blood and that went on for like a day and a half then i started spotting but only when i used the bathroom and then it slowly got heavier again and now day 12 and im haveing a light period still im not on birth control because i had my tubes removed ....and im rageing out like i do in the beginningof my period idk whats up has anyone else done this?