Blood test for hemoglobin

"That is a blood test that measures the amounts of different types of hemoglobin, to help find out which type of thalassemia you have. In the newborn period, if the hemoglobin electrophoresis shows Hb Bart's or HbH, the infant has alpha thalassemia. The hemoglobin electrophoresis is usually normal in adults with alpha thalassemia trait."