[The influence of exogenous and endogenous factors to physiological jaundice during neonatal period (author's transl)].

805 narrative summaries from pregnancy, delivery and neonatal period were examined to find out factors which might influence physiological jaundice in the newborn period. The normal range of bilirubin is: 70% of all newborn babies have maximum bilirubin levels below 10 mg/100 ml, while 2.6 exceed 16 mg/100 ml as maximum. Under special conditions i. e. prematurity, small for date babies, male sex, very young and very old mother bilirubin is higher that normal. EPH-gestosis, high birth weight, stress during delivery, very small and very big placenta are followed by diminished bilirubin levels. These findings are discussed in detail.