孕３２周前胎膜早破期待治疗的目的是努力减少早产的危险性，孕３２周后新生儿病率及死亡比逐渐下降，有资料显示孕３２周后分娩的新生儿存活率超过９６％，以后存活率改善每周＜１％，新生儿病率如呼吸窘迫（ＲＤＳ）的发生率及严重性逐渐降低，孕３４周以后新生儿长期后果如? Premature rupture of membranes 32 weeks before pregnancy expectant treatment aims to reduce the risk of preterm birth, neonatal morbidity and mortality after 32 weeks of pregnancy gradually decreased, there are data show that after 32 weeks of pregnancy neonatal birth rate of survival of more than 96% , After which the survival rate is improved by less than 1% per week. The incidence and severity of neonatal diseases such as respiratory distress (RDS) gradually decrease. Long-term consequences of newborns after 34 weeks’ gestation are as follows.