Newman 1997.

Methods	'Prospectively randomised.'
Participants	58 women requiring induction for post dates pregnancy, or gestational diabetes. Inclusion criteria: unfavourable cervix (BS < 7).
Interventions	2 mg PGE2 vaginally (n = 28) followed by repeat doses at 24 and 48 hours. Control group managed expectantly (n = 30) until 44 weeks or if non‐reassuring NST or favourable cervix (BS > 7).
Outcomes	Rate of spontaneous labour, delivery intervals, mode of delivery, hyperstimulation, neonatal outcomes.
Notes	Limited data available as extracted from abstract. Medical University of South Carolina, USA.
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Unclear risk	Prospectively randomised but method of random sequence generation not reported.
Allocation concealment (selection bias)	Unclear risk	Prospectively randomised but method of concealment of allocation not reported.
Blinding of participants and personnel (performance bias) All outcomes	Unclear risk	No blinding.
Blinding of outcome assessment (detection bias) All outcomes	Unclear risk	No blinding.
Incomplete outcome data (attrition bias) All outcomes	Low risk	No randomised patients lost to follow‐up.
Selective reporting (reporting bias)	Unclear risk	Unclear which outcomes prespecified.
Other bias	Unclear risk	Small, single centre RCT, abstract only.