Methods	RCT.
Participants	100 primigravidas at term were randomly assigned to 2 groups:active management (n = 50) and control group (n = 50)
Interventions	Women in the intervention group were managed by early amniotomy and augmentation with oxytocin at 6 miu/mL. In the control group, women received conservative care, amniotomy after 6 cm dilatation and oxytocin at 1 miu/mL
Outcomes	CS; length of labour; maternal and neonatal morbidity and mortality
Notes	Prevention trial. Nulliparous women.
Risk of bias
Bias	Authors’ judgement	Support for judgement
Random sequence generation (selection bias)	Unclear risk	Only abstract information available.
Allocation concealment (selection bias)	Unclear risk	Only abstract information available.
Blinding of participants and personnel (performance bias) All outcomes	High risk	The participants were not blinded to the treatment.
Blinding of outcome assessment (detection bias) All outcomes	High risk	The clinicians were not blinded to the treatment.
Incomplete outcome data (attrition bias) All outcomes	Unclear risk	Only abstract information available.
Selective reporting (reporting bias)	Unclear risk	Only abstract information available.
Other bias	Unclear risk	Only abstract information available.