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What do systematic reviews say?

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Evidence found and GRADE certainty

30 questions · 30 findings · 10 reviews · Pregnancy and Childbirth

No studies found 12 · 40%GRADE not reported 7 · 23.3%Very low 5 · 16.7%Low 5 · 16.7%Moderate 1 · 3.3%High 0 · 0%