Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

472 questions · 500 findings · 31 reviews · Pregnancy and Childbirth

No studies found 126 · 25.2%GRADE not reported 48 · 9.6%Very low 105 · 21%Low 135 · 27%Moderate 63 · 12.6%High 23 · 4.6%

Lifestyle interventions vs control ‐ Maternal outcomes

Hypertensive disorders of pregnancy: pre‐eclampsia · women with gestational diabetes mellitus

Lifestyle interventions showed no clear difference in hypertensive disorders of pregnancy (pre‐eclampsia) compared with control ‐ Maternal outcomes (low certainty).

1 finding from 1 review

Lifestyle interventions vs control ‐ Maternal outcomes

Postnatal weight retention or return to pre‐pregnancy weight · women with gestational diabetes mellitus

Lifestyle interventions may leads to higher postnatal weight retention or return to pre‐pregnancy weight compared with control ‐ Maternal outcomes (low certainty).

1 finding from 1 review

Dietary advice vs standard‐of‐care therapy

Hypertensive disorders of pregnancy (pregnancy‐induced hypertension) · pregnant women

Dietary advice interventions may leads to lower hypertensive disorders of pregnancy (pregnancy‐induced hypertension) compared with standard care (maternal outcomes) (low certainty).

1 finding from 1 review