Fig 4. Cause-specific hazard rates of vaginal delivery and emergency cesarean section as functions of time since administration of the IMP for 1 ml (20 mg) hyoscine butylbromide and 1 ml (9 mg) sodium chloride (placebo), respectively.

Emergency cesarean section was defined as cesarean section of which an indication developed during labor. The curves of the case-specific hazard rates of vaginal delivery of hyoscine butylbromide and placebo are completely overlapping. IMP, investigational medicinal product.