Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

100 questions · 102 findings · 5 reviews · Pregnancy and Childbirth · Headline outcomes only

No studies found 49 · 48%GRADE not reported 2 · 2%Very low 28 · 27.5%Low 15 · 14.7%Moderate 7 · 6.9%High 1 · 1%