Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

4,667 questions · 21,760 findings · 2,177 reviews

No studies found 4,173 · 19.2%GRADE not reported 2,300 · 10.6%Very low 5,276 · 24.2%Low 5,764 · 26.5%Moderate 3,298 · 15.2%High 949 · 4.4%

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Intervention not reported

Serious adverse events · Heterosexual women

It is very uncertain whether the intervention changes serious adverse events (very low certainty).

1 finding from 1 review

Intervention not reported

Serious adverse events · Heterosexual women

The intervention showed no clear difference in serious adverse events (low certainty).

1 finding from 1 review