Berghella 1994.

Methods	Random allocation based on a computer generated sequence; code contained in opaque sealed envelopes.
Participants	Low risk pregnant women at 38 weeks of pregnancy; gestational age assessed by dates, and pelvic examination before 12 weeks or ultrasound scanning before 20 weeks; exclusion criteria were: placenta praevia, multiple pregnancy, non‐vertex, fetal growth restriction, or any medical complication. Women with long, closed cervices were excluded, apparently after randomisation.
Interventions	Weekly stripping of membranes or weekly gentle vaginal examination for Bishop's score.
Outcomes	Delivery at 41 weeks or more; delivery after 42 weeks; mode of delivery; mean delay until delivery.
Notes	Contact for excluded women.
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment?	Low risk	A ‐ Adequate