美国每年约有300名苯丙酮尿症婴儿出生,如不能及早诊断和治疗,几乎全部精神发育迟缓。美国儿科学院胎儿与新生儿委员会对从医院婴儿室出院的新生儿是否要做苯丙酮尿症(PKU)和先天性甲状腺功能低下(CH)的检查未作明确规定,本委员会强调,凡离开 Approximately 300 babies born with phenylketonuria each year are born in the United States each year. Almost all their mental retardation can not be diagnosed and treated immediately. The Fetal and Neonatal Committee of the American Academy of Pediatrics is not clear about whether to check for neonatal PKU and congenital hypothyroidism (CH) in newborns discharged from the hospital’s baby room. The Committee emphasizes that when leaving