Can Medications Get Rid Of Thick Blood Lining In Uterus Without Surgery?

I HAVE MENSTRUATION THAT LASTS FOR ALMOST A MONTH NOW, MY DOCTOR SAYS THAT THE THERES A THICK LINING OF BLOOD IN MY UTERUS CAN I USE PILLS INSTEAD OF THE OPERATION, I BECAME HYPERTENSIVE AND TAKING MEDICATIONS AFTER I GAVE BIRTH, MY SON IS 10 MONS OLD NOW