Comparison of the Types of Newborn Jaundice 
Type Normal  Newborn
Jaundice
Also called:
Physiologic Jaundice		 Improper
Breastfeeding
Jaundice		 Breastmilk 
Jaundice
Causes Normal reduction in fetal hemoglobin levels Normal reduction in fetal hemoglobin levels plus: 
1. Lack of caloric intake 
2. Increased reabsorption of bilirubin
       from the gut
3. Infrequent feedings 
4. Limited feeding length 
5. Glucose water supplementation		 Unknown
Onset Day 3 Day 3 Day 10-14
Peak Day 7 Day 7 Estimated at 
20-40 days
Feeding Behavior Good POOR Good
Risks None if levels kept below 20 mg/dl None if levels kept below 20 mg/dl Self limiting and benign

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Last reviewed: Wed, Nov 8, 2006