Predictive value of cord blood bilirubin in development of neonatal hyperbilirubinemia

  • Bharati P Choubey
  • Aditi Kakodia
  • Pankaj Pal
  • Amit Agrawal


Introduction: The early detection of neonatal hyperbilirubinemia (NNH) can be done by various methods; however, the most reliable is cord blood bilirubin (CBB). Objective: The objective of this study is to evaluate the predictive value of the CBB levels for the subsequent hyperbilirubinemia in healthy term newborns and its association with various maternal and neonatal factors. Materials and Methods: Two hundred healthy term-neonates between 37 and 42 weeks of gestation were included in the study. A thorough antenatal, perinatal, and natal history was obtained. Cord blood was collected from all newborns, and the samples were sent for the estimation of serum bilirubin, blood grouping, and Rh typing. Results: Various risk factors such as gender difference (p<0.05), development of jaundice (p=0.00), extent of jaundice (p=0.00), number of cases requiring referral (p<0.05), and jaundice in siblings (p=0.01) were found statistically significant. Several maternal and neonatal factors such as maternal history of jaundice (p=0.009), gestational hypertension (p=0.01), antepartum hemorrhage (p<0.05), obstructed labor (p=0.009), use of oxytocin (p=0.008), ABO, and Rh incompatibility (p<0.001) were also found statistically significant in relation to CBB >2.5 mg/dl. At a cutoff of 2.5 mg/dl, sensitivity and specificity came out to be 33.33% and 96.25%, respectively. Conclusion: NNH and CBB level were found to be associated with several maternal and neonatal risk factors. Hence, total serum bilirubin in cord blood was indicative of the jaundice severity among neonates.

Keywords: Bilirubin, Neonatal hyperbilirubinemia, Term neonates
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How to Cite
Choubey, B., Kakodia, A., Pal, P., & Agrawal, A. (2018). Predictive value of cord blood bilirubin in development of neonatal hyperbilirubinemia. Indian Journal of Child Health, 5(4), 289-293. Retrieved from
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