What changes will the baby's jaundice index have at two months?

Baby jaundice index at 60 days

Physiological jaundice is due to the metabolic characteristics of neonatal bilirubin. About 50% to 60% of full-term infants and 80% of premature infants will experience physiological jaundice, which is characterized by: generally good condition; full-term infants will experience jaundice 2 to 3 days after birth, peak at 4 to 5 days, and disappear at 5 to 7 days, but no later than 2 weeks. (Jaundice in premature infants usually occurs 3 to 5 days after birth, peaks at 5 to 7 days, disappears at 7 to 9 days, and is delayed to 3 to 4 weeks at the latest) Daily serum bilirubin increase is less than 85μmol/L (5mg/dl).

Neonatal jaundice

Jaundice in children, normal value of physiological jaundice in newborns

The serum bilirubin level of full-term infants is &221μmol/L (12.9mg/dl) and that of premature infants is less than 257μmol/L (15mg/dl). Data show that the serum bilirubin level of full-term infants in Asia with physiological jaundice is higher than that of full-term infants in the West. There are also reports that serum bilirubin level of &171μmol/L (10mg/dl) in small premature infants can induce bilirubin encephalopathy. It should be noted that physiological jaundice is always an exclusionary diagnosis and can only be confirmed after excluding various causes of pathological jaundice.

Neonatal pathological jaundice:

(1) Jaundice occurs within 24 hours after birth

(2) Serum bilirubin >221 μmol/L (12.9 mg/dl) for full-term infants and >257 μmol/L (15 mg/dl) for premature infants, or increases by >85 μmol/L (5 mg/dl) per day

(3) The duration of jaundice is >2 weeks in full-term infants and >4 weeks in premature infants

(4) Jaundice disappears and reappears

(5) Serum conjugated bilirubin>34μmol/L (2mg/dl).

If any of the above items are present, it can be diagnosed as pathological jaundice.