Tuesday, January 19, 2010
Just as there are different types of anemia, there are also different types of hemoglobin. For the most part, healthy adults produce understandably adult hemoglobin, which is signified by the letters Hob A. Although there are different types of Hob A, they needn’t concern us here.
A fetus, on the other hand, produces (you guessed it!) fetal hemoglobin. By the time a healthy infant is about six months old, his body starts producing Hob A. Pretty soon, only a fraction of the hemoglobin in his body is the fetal kind; most is Hob A.
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