different types of hemoglobin
A hemoglobin electrophoresis test is a blood test used to measure and identify the different types of hemoglobin in your bloodstream. Hemoglobin is the protein inside red blood cells that is responsible for transporting oxygen throughout your circulatory system to your tissues and organs.he types of hemoglobin include: 1  hemoglobin F: This type is found in growing fetuses and newborns. 2  hemoglobin A: This is the most common type of hemoglobin found in healthy children and adults. 3  hemoglobin C, D, E, M, and S: These (and many other, rarer variations) are types of abnormal hemoglobin.