脐带因素、产程异常、胎盘功能不全是新生儿窒息的主要产科原因。
Umbilical cord factors, abnormal stage of labor and poor functions of placenta are the main reasons that lead to neonatal asphyxia.
结论脐带因素、产程及胎位异常、胎盘功能不全是导致新生儿窒息的主要产科因素。
Conclusion neonatal asphyxia, birth process and fetal position abnormal, with placenta functional defect together, are the factors mainly lead to neonatal asphyxia.
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