Background: The optimal duration of second stage of labor has been largely discussed in literature, but there are no uniformly accepted contemporary criteria for defining normal or abnormal length. Available evidence suggests that longer duration of second stage of labor is associated with a lower rate of spontaneous vaginal delivery and increased maternal morbidity. On the neonatal side, it seems that longer second stage doesn't affect new-born morbidity, in a context of very rare neonatal complications.
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