3例患儿均为男性,孕足月自然分娩,发现症状和(或)体征均在生后24h内,否认家族遗传病史和父母近亲婚配。1例母孕期患妊娠糖尿病。出生体重均4.5kg,均有出生时青紫窒息,2例Apagar评分1分钟、5分钟分别为1分和6分,1例Apagar评分不详。经气管插管清理呼吸道及刺激后建立呼吸,生后 All 3 children were males who gave birth in term full term and found symptoms and / or signs were within 24 hours after birth. The family history of heroin and their relatives’ marriage were denied. 1 case of gestational diabetes during pregnancy. Birth weight 4.5kg, both births cyanosis suffocation, Apagar 2 cases 1 minute, 5 minutes were 1 and 6, 1 Apagar score unknown. Tracheal intubation to clean up the respiratory tract and stimulate the establishment of breathing, after birth