Deo 2013.

Study characteristics
Methods	RCT
Participants	Inclusion: full‐term singleton gestation, cephalic presentation, indication for IOL. BS < 6. Exclusion: rupture of membranes, antepartum bleeding, placenta praevia, previous induction or pre‐induction agent during the pregnancy.
Interventions	Foley catheter (n = 100): 16 F with 30 mL balloon, traction applied. no max hours described. dinoprostone vagina gel (n = 104), 2 mg, once every 6 hours, max of 3 doses
Outcomes	post induction BS at 6 and 13 hours,
Notes	Abstract only, no outcomes of interested reported Setting: KGMU Lucknow India Study period: not reported Funding: not reported Declarations of interest: not reported
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Unclear risk	Only described women were randomly allocated, no more information available
Allocation concealment (selection bias)	Unclear risk	Only described women were randomly allocated, no more information available
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 reported, too little information to judge
Selective reporting (reporting bias)	Unclear risk	Insufficient information to judge
Other bias	Unclear risk	Abstract only, too little information to judge risk of bias