I would like to ask what is neonatal physiological jaundice

Neonatal physiological jaundice, which belongs to the normal physiological phenomenon, it is due to the increase of serum end-conjugated bilirubin caused by the phenomenon, most of the physiological jaundice will appear in 2-3 days after birth, about 5 days to reach a peak, jaundice regression time will not exceed two weeks at the latest.