Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

472 questions · 500 findings · 31 reviews · Pregnancy and Childbirth

No studies found 126 · 25.2%GRADE not reported 48 · 9.6%Very low 105 · 21%Low 135 · 27%Moderate 63 · 12.6%High 23 · 4.6%