Cochrane · systematic review · CD004733

Prophylactic oral betamimetics for reducing preterm birth in women with a twin pregnancy

Yamasmit, W, Chaithongwongwatthana, S, Tolosa, JE, et al. · Cochrane Database of Systematic Reviews · 2015 · Cochrane Library

Pregnancy and ChildbirthAMSTAR 2: not assessed
SoF tableOnly the outcomes this review put in its Summary of Findings table are listed (the Cochrane Handbook caps them at about seven per comparison). Its other analyses are not shown here.
Questions
4
current version
GRADE rated
4
No studies
0
Included studies
NR
No studies 0 · 0%Ungraded 0 · 0%Very low 0 · 0%Low 4 · 100%Moderate 0 · 0%High 0 · 0%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

Questions and results

Oral betamimetic versus placebo for pregnant women with a twin pregnancy to prevent preterm birth

Population: pregnant women with a twin pregnancy
4 questions
OutcomeEffectEvidenceStatus / GRADE
Preterm labour
Oral betamimetic vs placebo
RR 0.37 [0.17, 0.78]2 studies · 194 participantsLow
Downgraded: risk of bias, imprecision
Prelabour rupture of membranes
Oral betamimetic vs placebo
RR 1.42 [0.42, 4.82]1 study · 144 participantsLow
Downgraded: imprecision
Preterm birth (less than 37 weeks' gestation)
Oral betamimetic vs placebo
RR 0.85 [0.65, 1.1]4 studies · 276 participantsLow
Downgraded: imprecision
Very preterm birth (less than 34 weeks' gestation)
Oral betamimetic vs placebo
RR 0.47 [0.15, 1.5]1 study · 144 participantsLow
Downgraded: imprecision