<unk>  is a condition in which the bone marrow does not make enough blood cells. Bone marrow is the soft, tissue in the center of bones that is responsible for producing blood cells and platelets. It could be caused by certain drugs, viral infection, radiation, chemotherapy, pregnancy and autoimmune disorders. It can be diagnosed by blood test and bone marrow aspiration. While mild diseases doesn't require any treated, severe conditions are treated with blood transfusion and bone marrow transplantation.
Aplastic anemia
Polycythemia vera
Myelodysplastic syndrome
Myelofibrosis
Transient erythroblastopenia of childhood
Sideroblastic anemia
Drug induced hemolytic anemia
Acute myeloid leukemia