Methods Retrospective analysis was made about the relationship between the neonatal Apgar score of 477 cases of single pregnancy,primiparity and breech presentation,and the gestational week,birth weight,presentation sort and delivery mode.

• 方法 回顾分析 4 77例单胎初产臀位新生儿Apgar评分与孕周、体重、先露类型、分娩方式的关系。