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Evidence found and GRADE certainty

3,535 questions · 3,601 findings · 252 reviews · Pregnancy and Childbirth

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No studies found 726 · 20.2%GRADE not reported 421 · 11.7%Very low 828 · 23%Low 993 · 27.6%Moderate 486 · 13.5%High 147 · 4.1%

Universal screening vs risk‐factor screening

Gestational diabetes · pregnant women, excluding women already diagnosed with GDM in this pregnancy and those with pre‐existing diabetes mellitus

Universal screening may leads to higher gestational diabetes mellitus compared with risk‐factor screening (low certainty).

1 finding from 1 review

Primary care screening vs secondary care screening

Gestational diabetes · pregnant women, excluding women already diagnosed with GDM in this pregnancy and those with pre‐existing diabetes mellitus

Primary care screening showed no clear difference in gestational diabetes mellitus compared with secondary care screening (low certainty).

1 finding from 1 review

Primary care screening vs secondary care screening

Hypertensive disorders of pregnancy: hypertension · pregnant women, excluding women already diagnosed with GDM in this pregnancy and those with pre‐existing diabetes mellitus

Primary care screening showed no clear difference in hypertensive disorders of pregnancy: hypertension compared with secondary care screening (low certainty).

1 finding from 1 review

Primary care screening vs secondary care screening

Hypertensive disorders of pregnancy: pre‐eclampsia · pregnant women, excluding women already diagnosed with GDM in this pregnancy and those with pre‐existing diabetes mellitus

Primary care screening showed no clear difference in hypertensive disorders of pregnancy: pre‐eclampsia toxemia compared with secondary care screening (low certainty).

1 finding from 1 review

Primary care screening vs secondary care screening

Caesarean section · pregnant women, excluding women already diagnosed with GDM in this pregnancy and those with pre‐existing diabetes mellitus

Primary care screening showed no clear difference in caesarean birth compared with secondary care screening (low certainty).

1 finding from 1 review