Another 44 delivery women with clear amniotic fluid were also chosen as control group (group c), which obtained no any treatment.

另选羊水清的44例孕妇作为实验研究的空白对照组(C组)，该组孕妇未经过羊水置换及吸氧等一般治疗。

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Another 44 delivery women with clear amniotic fluid were also chosen as control group (group c), which obtained no any treatment.

另选羊水清的44例孕妇作为实验研究的空白对照组(C组)，该组孕妇未经过羊水置换及吸氧等一般治疗。

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