Objective To evaluate the feasibility of using Labour analgesia on a large scale.
目的评价规模化开展分娩镇痛的可行性。
Conclusions: CSEA and N2O inhalation can be applied in Labour analgesia, relieving Labour pain, decreasing Labour duration, not influencing other Labour factors.
结论CSEA及笑气吸入用于分娩镇痛，能缓解产痛，缩短产程，不影响产程中各因素。
Conclusions: CSEA and N2O inhalation can be applied in Labour analgesia, relieving Labour pain, decreasing Labour duration, not influencing other Labour factors.
结论CSEA及笑气吸入用于分娩镇痛，能缓解产痛，缩短产程，不影响产程中各因素。
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