Laddad 2013.

Methods	RCT
Participants	Inclusion criteria: primigravida, > 37 weeks of gestation, singleton pregnancy, cephalic presentation, BS < 4, Intact membranes Exclusion criteria: multiple pregnancy, mal‐presentation, absent membranes, APH, medical disease e.g. heart disease, renal disease, previous LSCS
Interventions	Foley catheter (n = 200): PGE2 gel intracervical (n = 200), max 2 doses, failed induction declared if patient was not in active labour after 48 hours
Outcomes	Not mentioned in method section
Notes	PGE2 dose not described Setting: KIMSDU; India, Study period: January 2011 ‐ December 2012 Funding: none Declarations of interest: none declared
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Unclear risk	Only stated that women were randomly assigned
Allocation concealment (selection bias)	Unclear risk	Only stated that women were randomly assigned
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	Unclear if analysis was ITT, (no figure 1) all cases analysed, no missing data described
Selective reporting (reporting bias)	Unclear risk	No pre ‐specified outcome measures reported, so cannot be determined
Other bias	Low risk	No other bias detected