Massive transplacental hemorrhage: clinical manifestations in the newborn.
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Thirteen newborn infants had transplacental hemorrhage in excess of 30 ml. Fetal blood in the maternal circulation was demonstrated in all cases by the acid elution technique. Anemia was noted in five babies either at birth or within the first 24 hours of life. One baby was stillborn, the death possibly being related to fetal hemorrhage. The other seven babies were clinically normal in spite of massive transplacental hemorrhage. The hemoglobin values and reticulocyte counts were normal at birth and the first 5 days of life. The data on this group of babies suggest that the clinical manifestations of transplacental hemorrhage are related not only to the size of the hemorrhage but also to the time at which the hemorrhage occurs.