患儿男 ,1 5天 ,第四胎第二产 ,足月顺娩 ,因皮肤黄染 1 2天入院。生后 3天有皮肤黄染 ,逐渐出现皮肤粘膜苍黄。病史中无便血、呕血、血尿等出血史 ,无氧化剂及药物接触史。其母曾人流 2次 ,育有一女 ,体健 ,否认家族中有类似病例。查体 :体温 37℃ ,2 75 0 g,成熟儿貌 ,反应差 Children male, 15 days, the second birth of the fourth child, full-term delivery, skin yellow dye 12 days admission. 3 days after birth, skin yellow dye, gradually appear skin and mucous membrane yellow. No history of hematochezia, hematemesis, hematuria and other bleeding history, no oxidant and drug exposure history. His mother had two times the flow of people, have a daughter, body health, deny the family have a similar case. Physical examination: body temperature 37 ℃, 2 75 0 g, mature appearance, poor response