1. [Results] Umbilical stalk, fetal position and birth process dysfunction were the main obstetric causes of asphyxia neonatorum, by 35.16% and 32.58% respectively;
结果新生儿窒息的产科原因中脐带因素、胎位及产程异常为主要原因，分别占35.16%和32.58%；
2. [ Results ] Umbilical stalk, fetal position and birth process dysfunction were the main obstetric causes of asphyxia neonatorum, by 35.16 % and 32.58 % respectively;
结果新生儿窒息的产科原因中脐带因素、胎位及产程异常为主要原因，分别占35.16%和32.58%；