Pediatrics · Neonatology (Resuscitation, Respiratory Disorders, Neonatal Jaundice, LBW)

Which of the following features favours PHYSIOLOGICAL rather than pathological jaundice in a term neonate?

  • A Visible jaundice within the first 24 hours of life
  • B Peak bilirubin occurring between days 3 and 5 with resolution before day 14
  • C Total serum bilirubin rising more than 5 mg/dL per day
  • D Direct fraction greater than 2 mg/dL
Correct answer: B. Peak bilirubin occurring between days 3 and 5 with resolution before day 14

Explanation

Physiological jaundice in a term baby appears after 24 hours, rises slowly, peaks around days 3 to 5 at levels usually below 12 to 13 mg/dL, and clears by two weeks. Jaundice within the first 24 hours, a rise exceeding 5 mg/dL per day, peak values beyond physiological limits, or a significant conjugated component all define pathological jaundice requiring evaluation. These time based criteria follow standard Indian textbook convention for term infants.

Reference: Nelson Textbook of Pediatrics, 21st ed.

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