Duration of spontaneous labour in ‘low-risk’ women with ‘normal’ perinatal outcomes: A systematic review

摘要

BackgroundDespite decades of research, the concept of normality in labour in terms of its progression and duration is not universal or standardized. However, in clinical practice, it is important to define the boundaries that distinguish what is normal from what is abnormal to enable women and care providers have a shared understanding of what to expect and when labour interventions are justified.