Effect of delayed cord clamping on jaundice and hypoglycemia in the neonates of mothers with gestational diabetes mellitus

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To study the effect of delayed cord clamping (DCC) on the bilirubin levels and hypoglycemia in neonates with diabetic mothers (NDMs).


This is a comparison between a prospective cohort and a historical control cohort. Women with gestational diabetes mellitus who performed DCC were enrolled into the prospective cohort (n = 156), and those who performed early cord clamping (ECC) were enrolled into the historical control cohort (n = 161).


NDMs who received DCC had higher transcutaneous bilirubin than those in the ECC group whether maternal glycemic control was good or poor. DCC increased the rate of neonatal hyperbilirubinemia and phototherapy when maternal blood glucose was well controlled but not when it was poorly controlled. No differences were found in initial blood glucose levels on days 1 to 3 of life between the two groups.

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