Hemoglobin helps red blood cells carry oxygen to your muscles and tissues. Abnormal hemoglobin levels can be a sign of several health problems. Hemoglobin is a component of your blood that delivers ...

Fetal hemoglobin (HbF) is the most dominant form of hemoglobin (Hb) in fetuses and persists until birth, at which time the production of adult Hb is upregulated. Both fetal and adult Hb contain alpha ...