Procedures
Participants in the standard care arm were offered ECV as a first-line intervention and/or referred to their named obstetric consultant’s antenatal clinic for further counselling regarding mode of birth if declined. Participants in the OptiBreech care arm were counselled by a member of the OptiBreech team and were offered the option of planning a VBB with OptiBreech support, attempting an ECV or planning a pre-labour CB from 39 weeks gestation. All OptiBreech care was co-ordinated by a breech specialist midwife. A full TIDieR checklist available within the prospectively registered protocol [