NCT01216098.

Trial name or title	Impact of Doula support on childbirth outcomes for women undergoing a vaginal birth after cesarean (VBAC)
Methods	2‐armed randomised controlled trial conducted at British Columbia Women's Hospital
Participants	Women who have had at least 1 prior caesarean birth, are eligible for VBAC, and plan to attempt a VBAC after counselling at the Best Birth Clinic. Singleton gestation, cephalic presentation, term gestation (37 to 42 weeks at time of delivery). Estimated enrolment: 534
Interventions	Intervention group: women will receive doula support alongside standard care. Control group: no intervention ‐ women will receive standard care alone
Outcomes	Primary outcomes: use of epidural analgesia and cervical dilation at time of epidural administration. Secondary outcomes: use of nitrous oxide analgesia during labour, use of narcotic analgesia during labour (type and amount), number of visits to the assessment room before admission, mode of delivery (caesarean section, spontaneous vaginal, or forceps/vacuum), indication(s) for repeat caesarean (if applicable), length of time between admission and the start of active pushing, length of time between the start of active pushing and delivery, length of time between delivery and discharge
Starting date	October 2010
Contact information	Patricia Janssen: pjanssen@interchange.ubc.ca
Notes	Study completion date February 2015. Contacted Patricia Janssen 07/02/2017 ‐ trial not yet published. Will assess eligibility following publication in next update