Neonatal anaemia

Intrauterine conditions require a state of polycythaemia. Congenital anaemia is present with cord blood Hb <14.0g/dL in term babies. In the healthy infant, Hb drops rapidly after birth (ffl Blood Counts in Children p690) and by end of the neonatal period (4 weeks in a term baby), the mean Hb may be as low as 10.0g/dL. With 4 RBC destruction, there is a concomitant 4 in serum bilirubin. Thus complex changes occur in this period making distinction between physiology and pathology difficult.

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