Hi, welcome to HCM I am Dr Das
First of all you are very lucky. There are very few patients who've retained product of conception even after bleeding.
There are many causes which can cause these type of bleeding. It includes some possibilities of hypertensive disease, threatened abortion
, congenital anomaly, even it may be normal.
What you have to do? 1. Complete bed rest
2. Nutritious diet. 3. Take drugs as told.