Physiological jaundice (50% of newborns)
- Onset 2 to 3 days of age
- Peaks day 4 to 5, then improves
- Disappears 1 to 2 weeks of age
|
Breastfeeding jaundice (5 to 10% of newborns)
- Due to inadequate intake of breastmilk
- Pattern similar to physiological type
|
Rh and ABO blood group incompatibility
- Onset during first 24 hours of life
- Can reach harmful levels
|
Breast-milk jaundice (1% of newborns)
- Due to substance in breastmilk which blocks destruction of bilirubin
- Can reach harmful levels
- Onset 4 to 7 days of age
- Lasts 3 to 10 weeks
- Not harmful
|