Kennedy 1982.

Methods	Study design: Parallel study. Randomization into two arms.
Participants	Participants: 100 patients. Multigravid patients of low parity. Inclusion criteria: Singleton pregnancies; cephalic presentations; gestation 38‐42 weeks; parity 1‐2; Bishop score >4.
Interventions	Intervention 1: Amniotomy + intravenous oxytocin (controlled semi‐ automatic infusion system; max dose 32 mU/min). Intervention 2: PGE2 3mg in posterior fornix; amniotomy after 6 hours or sooner if regular uterine activity and cervical dilatation >3cm. If not adequate progression in second group, intravenous oxytocin was added (augmentation).
Outcomes	Included outcomes: Uterine hyperstimulation with FHR changes; caesarean section; perinatal death; uterine hyperstimulation without FHR changes; epidural/narcotic analgesia; instrumental vaginal delivery (forceps); post partum haemorrhage; women not satisfied.
Notes	Allocation sequence generation unclear.
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment?	Unclear risk	B ‐ Unclear