What do systematic reviews say?

Beta stimulant vs placebo

Beta stimulant probably leads to lower failed external cephalic version compared with placebo (moderate certainty).

• Interventions for helping to turn term breech babies to head first presentation when using external cephalic version 2015 · Cochrane Headline outcomes only
  RR 0.7 [0.6, 0.82]
  9 studies · 900 participants
  Moderate