Findings

What do systematic reviews say?

1 questions · 1 findings · 1 reviews · Pregnancy and Childbirth

No studies found 0 · 0%GRADE not reported 0 · 0%Very low 1 · 100%Low 0 · 0%Moderate 0 · 0%High 0 · 0%

Preterm birth · pregnant women

It is very uncertain whether respiratory syncytial virus vaccine changes preterm birth compared with placebo (very low certainty).

1 finding from 1 review

Respiratory syncytial virus vaccination during pregnancy for improving infant outcomes 2024 · Cochrane Headline outcomes only
RR 1.16 [0.99, 1.36]
6 studies · 17560 participants
Very low