Gunawardena 2012.

Methods	RCT
Participants	Uncomplicated primipara with singleton pregnancies who underwent IOL at 40 weeks + 5 days
Interventions	PGE2 intracervical (72) Foley (73)
Outcomes	Change in mean MBS, uterine hyper‐stimulation, Broncho‐constriction, nausea and vomiting, postpartum haemorrhage and maternal fever, meconium at membrane rupture, AS at 5 minutes and PBU admission
Notes	Abstract only Setting: Ward 5, Teaching Hospital, Kandy, India Study period: not reported Funding: not reported Declaration of interest: not reported
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Unclear risk	Not reported
Allocation concealment (selection bias)	Unclear risk	Not reported
Blinding of participants and personnel (performance bias) All outcomes	Unclear risk	Not feasible due to nature of intervention
Blinding of outcome assessment (detection bias) All outcomes	Unclear risk	Not reported
Incomplete outcome data (attrition bias) All outcomes	Unclear risk	ITT not mentioned, no missing data or cases reported
Selective reporting (reporting bias)	Unclear risk	Maternal and neonatal adverse outcomes were not given in numbers
Other bias	Low risk	No other bias detected