Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,388 questions · 1,444 findings · 167 reviews

No studies found 336 · 23.3%GRADE not reported 67 · 4.6%Very low 419 · 29%Low 395 · 27.4%Moderate 188 · 13%High 39 · 2.7%

Intervention not reported

Health‐seeking behaviour · Pregnant women undergoing prenatal serum screening for Down syndrome

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Patient's evaluation of the intervention (including perceptions of safety) · Pregnant women undergoing prenatal serum screening for Down syndrome

The review found no eligible studies for this question.

1 finding from 1 review