Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

56 questions · 57 findings · 4 reviews · Pregnancy and Childbirth

No studies found 1 · 1.8%GRADE not reported 22 · 38.6%Very low 8 · 14%Low 12 · 21.1%Moderate 10 · 17.5%High 4 · 7%

Adverse event outcomes for dietary combined with physical activity interventions vs standard‐of‐care therapy

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

Combined diet and exercise interventions showed no clear difference in hypertensive disorders of pregnancy (pre‐eclampsia) compared with standard care (mother) (low certainty).

1 finding from 1 review

Adverse event outcomes for dietary combined with physical activity interventions vs standard‐of‐care therapy

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

It is very uncertain whether combined diet and exercise interventions changes hypertensive disorders of pregnancy (pregnancy‐induced… compared with standard care (mother) (very low certainty).

1 finding from 1 review

Adverse event outcomes for dietary combined with physical activity interventions vs standard‐of‐care therapy

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

Combined diet and exercise interventions showed no clear difference in caesarean section compared with standard care (mother) (moderate certainty).

1 finding from 1 review

Adverse event outcomes for dietary combined with physical activity interventions vs standard‐of‐care therapy

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

Combined diet and exercise interventions showed no clear difference in perineal trauma compared with standard care (mother) (moderate certainty).

1 finding from 1 review

Adverse event outcomes for dietary combined with physical activity interventions vs standard‐of‐care therapy

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

Combined diet and exercise interventions showed no clear difference in gestational weight gain (kg) compared with standard care (mother) (moderate certainty).

1 finding from 1 review

Adverse event outcomes for dietary combined with physical activity interventions vs standard‐of‐care therapy

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

Combined diet and exercise interventions showed no clear difference in perinatal mortality compared with standard care (child) (low certainty).

1 finding from 1 review

Low‐GI dietary advice vs moderate‐ to high‐GI dietary advice (child outcomes)

Gestational weight gain · pregnant women

It is very uncertain whether low‐GI dietary advice changes gestational weight gain (kg) compared with moderate‐ to high‐GI dietary advice (maternal outcomes) (very low certainty).

1 finding from 1 review