Objective to reduce the rate of neonatalasphyxia and neonatal handicap rate, to decrease the perinatal children's mortality rate.
目的为减少新生儿窒息的发生率，降低围产儿死亡率和减少新生儿伤残率。
2
Objective To observe changes of aortic and pulmonary flow parameters after neonatalasphyxia and explore its relationship with clinical manifestation and prognosis.
目的观察窒息新生儿心脏解剖及主、肺动脉血流参数的变化，探讨窒息对心脏收缩功能影响的特点及其意义。
3
Compared with the prevalence of fetal distress and neonatal severe asphyxia, there were no significant difference in different delivery pattern of cord entanglement.