两组顺产产妇的总产程时间差异无显著性（P>0.05）；

There was no difference in the total time of vaginal delivery between the two groups(P>0.05).

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结果两组头位分娩评分、第一产程、第二产程及总产程时间比较，差异有显著性意义（P<0.05）。

Results Significant differences were found in the delivery score of apholic position, first, second stage and total labor duration between the two groups (P<0.05).

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