新生儿期非溶血性黄疸原因很多,可以分为结合和非结合性高胆红素血症两类。非结合性高胆红素血症(表1)生理性黄疽为新生儿期最常见的非溶血的非结合性高胆红素血症,最高血清胆红素浓度 (平均6一8毫克/100毫升)发生于生后第3~4天,而后迅速消退。未成熟儿血清胆红素于第5一7天始达高峰,且其浓度高于成熟儿。新生儿生理性黄疽的原因,可能是多方面 Neonatal non-hemolytic jaundice for many reasons, can be divided into two types of combined and unconjugated hyperbilirubinemia. Unconjugated hyperbilirubinemia (Table 1) Physiological jaundice is the most common non-hemolytic non-conjugated hyperbilirubinemia in the neonatal period with the highest serum bilirubin concentration (mean, 6-8 mg / 100 ml) occurred in 3 to 4 days after birth, and then quickly subsided. Serum bilirubin in immature infants peaked on day 5-17 and was higher than in mature infants. The causes of physiological jaundice in newborns may be multifaceted