结果两组患者术后各观察时点疼痛评分均<2分，组间比较差异无统计学意义（P>0.05），两组镇痛满意率为100%；

Results The analgesic scores at all time-points in two groups were less than 2 and there were no significant difference between two groups( P>0.05). The superior rate of analgesia are 100%.

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比较两组镇痛效果、产程进展、分娩方式、产后出血及新生儿评分等。结果观察组疼痛明显低于对照组（P。

The analgesia effect, progress of labor, delivery methods, postpartum hemorrhage and grading of the new born of the two groups were compared.

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