Effect of Oxytocin Antagonist on Reduction of Uterine Contractions

IV bolus of 20 mg for 1 minute followed by an IV infusion of 19 mg for up to 59 minutes. The maximum total duration of administration was 60 minutes.

IV bolus of saline (sodium chloride 0.9%) for 1 minute followed by an IV infusion of saline (sodium chloride 0.9%) for up to 59 minutes. Details on injection volume, infusion rates and doses are tabulated below.