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However, if serum cord bilirubin levels are more than 2.0 mg/dL, the infant has a 25 percent chance of developing subsequent hyperbilirubinemia.1 . In 1989, Knudsen A found that if cord bilirubin was below 20 mumol/L, 2.9% became jaundiced as opposed to 85% if cord bilirubin was above 40 mumol/l. ................
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