<qa>  How many months after the transplant will you have bone marrow aspirations collected before chemotherapyYou will have bone marrow aspirations collected before chemotherapy, around 1, 6, and 12 months after the transplant. To collect a bone marrow aspirate, an area of the hip bone is numbed with anesthetic, and a small amount of bone marrow is withdrawn through a large needle. The bone marrow samples will be used to check the status of the disease and to learn the way azacitidine works. 