But there were no statistically significant differences in the labor time,labor mode,delivery rate,oxytocin dosage,Apgar score,NACS score and postpartum blood loss(P>0.05).

• 各组的产程时间、分娩方式、助产率、催产素用量及新生儿A pgar评分、NACS评分、产后出血量无明显差异(P>0.；05)。