Tan 2008.

Methods	Double‐blind RCT.
Participants	Women with a singleton baby in the breech position. Gestation ≥ 36 weeks (check for early confirmation of gestational age), intact membranes and assuring fetal status on cardiotocograph. N = at least 103 women.
Interventions	250 µg or 500 µg of bolus subcutaneous terbutaline followed by ECV 15 minutes later with a maximum of 2 attempts.
Outcomes	Primary: immediate success rate of ECV; caesarean section; cephalic presentation at birth. Secondary: post‐ECV cardiotocograph abnormalities; neonatal nursery admission; Apgar score at 5 minutes; umbilical cord arterial blood, pH; adverse drug events; visual analogue scale satisfaction score with ECV; indication for operative delivery.
Notes	Study reported as completed, but no information or data available as yet.

ECV: external cephalic version.
 IVI: intravenous infusion.
 RCT: randomised controlled trial.