母亲29岁，第6胎第一产，在妊娠25+周时患HELLP综合症，超声检查胎儿体重约500克。母亲病情加重，因估计胎龄已达25～26周，患儿有存活希望而作剖宫产，胎儿脐动脉血气pH7．27，分娩后婴儿立即行管插管、人工通气，1分钟及5分钟Apgar评分皆为7分。出生体重（含10克的气管导管） Mother 29 years old, the first six births, suffering from HELLP syndrome 25 weeks of pregnancy, ultrasound fetal weight of about 500 grams. Mother exacerbated because of estimated gestational age has reached 25 to 26 weeks, children with hope of survival for cesarean section, fetal umbilical arterial blood gas pH7.27, immediately after birth, the baby intubation, artificial ventilation, 1 minute and 5 Apgar score is 7 minutes. Birth weight (with 10 grams of endotracheal tube)