Objective:The objective of the study was to measure the effects of a 5-min delay (DCC) versus immediate cord clamping (ICC) on residual placental blood volume (RPBV) at birth, and hemoglobin and serum bilirubin at 24 to 48 h of age.Study Design:In this prospective randomized controlled trial, 73 women with term (37 to 41 weeks) singleton fetuses were randomized to DCC (≥5 min; n=37) or ICC (<20 s; n=36).Results:Maternal and infant demographics were not different between the groups. Mean cord clamping time was 303±121 (DCC) versus 23±59 (ICC) s (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 with ICC had significantly less RPBV (20.0 versus 30.8 ml kg-1, P<0.001), higher hemoglobin levels (19.4 versus 17.8 g dl-1, P=0.002) at 24 to 48 h, with no difference in bilirubin levels.Conclusion:Term infants had early hematological advantage of DCC without increases in hyperbilirubinemia or symptomatic polycythemia.
CITATION STYLE
Mercer, J. S., Erickson-Owens, D. A., Collins, J., Barcelos, M. O., Parker, A. B., & Padbury, J. F. (2017). Effects of delayed cord clamping on residual placental blood volume, hemoglobin and bilirubin levels in term infants: A randomized controlled trial. Journal of Perinatology, 37(3), 260–264. https://doi.org/10.1038/jp.2016.222
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