A 34-year-old woman comes to the clinic because of left ...

A normal cord blood bilirubin level is about 1.5 mg/dl, and a neonate's serum bilirubin normally increases by a maximum of 5mg/dl in 24 hours to a maximum of about 15mg/dl at 3 days of life. A level of 18mg/dl at 30 hours of life is not normal and requires phototherapy to bring the level down. ................
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