What do systematic reviews say?

2 questions · 2 findings · 2 reviews · Pregnancy and Childbirth

No studies found 1 · 50%GRADE not reported 0 · 0%Very low 0 · 0%Low 1 · 50%Moderate 0 · 0%High 0 · 0%

Preterm birth less than 34 weeks' gestation · women with a twin pregnancy

Oral betamimetic showed no clear difference in very preterm birth (less than 34 weeks' gestation) compared with placebo (low certainty).

1 finding from 1 review

Prophylactic oral betamimetics for reducing preterm birth in women with a twin pregnancy 2015 · Cochrane Headline outcomes only
RR 0.47 [0.15, 1.5]
1 study · 144 participants
Low

Preterm birth less than 34 weeks' gestation · Women with a multiple pregnancy

The review found no eligible studies for this question.

1 finding from 1 review