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Tocolysis for repeat external cephalic version in breech presentation at term: a randomised, double‐blinded, placebo‐controlled trial

Background  External cephalic version (ECV) reduces the incidence of breech presentation at term and caesarean section for non‐cephalic births. Tocolytics may improve success rates, but are time consuming, may cause side effects and have not been proven to alter caesarean section rates. The aim of this trial was to determine whether tocolysis should be used if ECV is being re‐attempted after a failed attempt.