Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

40 questions · 40 findings · 8 reviews

No studies found 3 · 7.5%GRADE not reported 4 · 10%Very low 0 · 0%Low 19 · 47.5%Moderate 13 · 32.5%High 1 · 2.5%

Intervention not reported

Very preterm birth (less than 34 weeks) ‐ assuming complete correlation between twins/triplets · women with multiple pregnancy

The intervention showed no clear difference in very preterm birth (less than 34 weeks) ‐ assuming complete… (low certainty).

1 finding from 1 review

Intervention not reported

Low birthweight (less than 2500 g) ‐ assuming independence between twins/triplets · women with multiple pregnancy

The intervention showed no clear difference in low birthweight (less than 2500 g) ‐ assuming independence between… (low certainty).

1 finding from 1 review

Intervention not reported

Very preterm birth (less than 34 weeks) ‐ assuming complete correlation between twins · women with multiple pregnancy

The intervention showed no clear difference in very preterm birth (less than 34 weeks) ‐ assuming complete… (low certainty).

1 finding from 1 review