Abstract
ObjectiveTo measure the effects of a five-minute delay (DCC) versus immediate cord clamping (ICC) on residual placental blood volume (RPBV) at birth, and hemoglobin and serum bilirubin at 24 to 48 hours of age.Study DesignIn this prospective randomized controlled trial, seventy-three women with term (37 to 41 weeks) singleton fetuses were randomized to DCC (≥5 minutes; n=37) or ICC (<20 seconds; n=36).ResultsMaternal and infant demographics were not different between groups. Mean cord clamping time was 303 ± 121 (DCC) versus 23 ± 59 (ICC) seconds (p<0.001) with 10 protocol violations. Cord milking was the proxy for DCC (n = 11) when the provider could not wait. Infants randomized to DCC compared to ICC had significantly less RPBV (20.0 vs 30.8 mL/kg, p<0.001), higher hemoglobin levels (19.4 vs 17.8 g/dL, p=0.002) at 24 to 48 hours, with no difference in bilirubin levels.ConclusionsTerm infants had early hematological advantage of DCC without increases in hyperbilirubinemia or symptomatic polycythemia.
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