Normal hematological values of the african neonate

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Abstract
A longitudinal study of normal hematological values of the newborn infant was undertaken in an effort to provide baseline data for assessing the African Neonate with hematological problems. There were 402 neonates, consisting of 304 full-term, 51 preterm and 47 post-term infants. The Hematocrit (Hct), Hemoglobin (Hb), Red Blood Cell Count (RBC), Reticulocyte count (Retic) and Nucleated Red Blood Cell Count (NRBC) were serially determined. The red cell indices, Mean corpuscular Hemoglobin (MCH), Mean Corpuscular volume (MCV) and Mean corpuscular Hemoglobin Concentration (MCHC) were calculated for each neonate. Our results showed that African neonates have lower hematological values than their North American and European counterparts. This was neither a reflection of an intrauterine anemia nor was it due to variables resulting from the timing of cord blood sampling. On the first day of life, the mean Hct was 45.4%; mean Hb was 15.46 gm/dl; and the RBC was 4.02×106 cells/mm2. The Retics, NRBC and other red blood cell indices do not differ from those of neonates reported from other parts of the world. We suggest therefore that the low hematological values of the African neonate may be intrinsic.