Post-partum bleeding continued beyond forty days

I am a young married woman and Allaah has blessed me with twin boys. I completed my [legislated] forty days post-birth (post partum) period on the seventh day of Ramadhaan, yet, my post partum bleeding continued beyond this time; However, the colour of my post partum blood had changed to how it was prior to the forty days (post-partum period), so what is the ruling regarding my [obligation to perform the] salaah and fasting?