Induction of labour at 41 weeks versus expectant management until 42 weeks (INDEX): multicentre, randomised non-inferiority trial.

Objective: To compare induction of labour at 41 weeks with expectant management until 42 weeks in low risk women.

Design: Open label, randomised controlled non-inferiority trial.

Setting: 123 primary care midwifery practices and 45 hospitals (secondary care) in the Netherlands, 2012-16.