The term "quickening" refers to the rising pulse rate during the second stage of labor.

“胎动”定义为分娩的第二产程期间加快的脉搏。

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Conclusions When the pelvis was normal, fetal macrosomia, abnormal fetal position and abnormal uterine were main causes leading to abnormal second stage of labor.

结论在骨盆正常情况下，新生儿过大、胎方位异常及产力异常是造成第二产程异常的主要原因。

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ObjectiveWe investigated the correlations between abnormal fetal rate (FHR) during the second stage of labor and fetal outcome.

目的探讨第二产程异常胎心监护图形与新生儿结局的关系。

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