HbA2 levels are increased in all Except:
Answer is A (Alpha Thalassemia) Alpha Thalassemia are associated with reduced levels of HbA2 Causes of Increased HbA2 levels Beta thalassemia Sickle cell anemia Megaloblastic anemia Hypehyroidism Unstable Hemoglobinopathies Malaria (doubtful! cases) Causes of Decreased HbA2 levels Iron deficiency Anemia Alpha thalassemia Delta thalassemia Sideroblastic anemia Myelodysplastic syndromes Acute myelocytic leukemia (minor reduction) lib Lepore
Alpha Thalassemia
Beta Thalassemia
Sickle cell anemia
Megaloblastic Anemia