The half-life of oxytocin is

OxytocinIn general, oxytocin should be discontinued if the number of contractions persists with a frequency of more than five in a 10-minute period or more than seven in a 15-minute period or with a persistent nonreassuring fetal hea rate pattern.When oxytocin is stopped, its concentration in plasma rapidly falls because of the half-life is approximately 3 to 5 minutes.Ref: William&;s Obstetrics; 25th edition