Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

73 questions · 73 findings · 27 reviews · Pregnancy and Childbirth

No studies found 21 · 28.8%GRADE not reported 13 · 17.8%Very low 25 · 34.2%Low 10 · 13.7%Moderate 3 · 4.1%High 1 · 1.4%