Why Is My Period Lasting 9 Days Despite Taking Trepica And Crina NCR?

Hi Doctor, I am 39 years old and have 1 child of 8 years.this month I am having continuous periods bleeding for 9 days now. I went to doctor.he gave me Trepica 3 times a day which didn t help then from yesterday he gave me Crina NCR 15mg 1 in a day . But the bleeding is not stopping.pl suggest