To investigate the association between the number of pushing contractions and the likelihood of spontaneous vaginal delivery, operative vaginal delivery, cesarean delivery and maternal and neonatal complications.

中文翻译：

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使用第二产程中产妇排尿量的量化来预测分娩路径。

研究推动宫缩次数与自然阴道分娩、手术阴道分娩、剖宫产以及母婴并发症的可能性之间的关系。