Abstract
Summary
A method of making nucleated erythrocyte counts per 10,000 red blood cells is presented. Routine counts within 24 hours of delivery are recommended on newly-born infants and more than 2 nucleated red blood cells per 10,000 are to be considered abnormal. Regardless of Rh compatibility the mortality among children with 5 or more nucleated cells per 10,000 was 67% in our small series, although among the Rh incompatible infants there were more nucleated red blood cells than among the Rh compatible group. The possibility of ill effects when the mother is Rh-positive and the infant Rh-negative is suggested by the data.
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