Hi I Gave Birth On 27 Th September 2015 .

Hi I gave birth on 27 th September 2015 . I have a csection so i don't have that much bleeding but my bleeding continue till 30 th October. After that my bleeding start again on 16 th November .i am confused now is it my meantrual bleeding or my postpartum bleeding. And this time i have very heavy flow with dark red . Now I am confused caused its been 5 days i am bleeding in a same way should i go to emergency room or no