Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,411 questions · 1,474 findings · 170 reviews

No studies found 336 · 22.8%GRADE not reported 97 · 6.6%Very low 419 · 28.4%Low 395 · 26.8%Moderate 188 · 12.8%High 39 · 2.6%

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