新生儿肝细胞发育不成熟,因此葡萄糖醛酸转移酶不足,当溶血增加时便易出现黄疸,血清胆红素超过12毫克%称为高胆红素血症,临床上多属病理性黄疸。如超过20毫克%即有可能引起核黄疸。核黄疸症状严 Neonatal hepatocyte immature, so glucuronosyltransferase deficiency, when hemolysis is easy to appear jaundice, serum bilirubin more than 12 mg% is called hyperbilirubinemia, mostly clinical pathological jaundice. If more than 20 mg% that may cause nuclear jaundice. Severe symptoms of nuclear jaundice