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Evidence found and GRADE certainty

37 questions · 37 findings · 23 reviews · Pregnancy and Childbirth

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No studies found 4 · 10.8%GRADE not reported 7 · 18.9%Very low 8 · 21.6%Low 13 · 35.1%Moderate 4 · 10.8%High 1 · 2.7%

Intensity of glycaemic control for women with gestational diabetes mellitus ‐ strict glycaemic targets vs less‐tight glycaemic targets (child (as neonate, child, adult) outcomes)

Large‐for‐gestational age · Children (as neonate, child, adult) of women with GDM

Intensity of glycaemic control for women with gestational diabetes… showed no clear difference in large‐for‐gestational‐age compared with less‐tight glycaemic targets (child (as neonate, child, adult)… (moderate certainty).

1 finding from 1 review

Probiotics vs placebo

Large‐for‐gestational age · preventing gestational diabetes

Probiotics showed no clear difference in large‐for‐gestational age compared with placebo (moderate certainty).

1 finding from 1 review

Fetal biometry vs maternal glycaemic values

Large‐for‐gestational age · women with gestational diabetes mellitus and their babies

It is very uncertain whether fetal biometry changes large‐for‐gestational age compared with maternal glycaemic values (very low certainty).

1 finding from 1 review

Planned elective birth (induction or caesarean) vs expectant management

Large‐for‐gestational age · pregnant women with gestational diabetes, between 38 ‐ 39 gestational weeks, without other maternal or fetal conditions.

Planned elective birth (induction or caesarean) showed no clear difference in large‐for‐gestational age compared with expectant management (low certainty).

1 finding from 1 review

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

Large‐for‐gestational age · pregnant women

It is very uncertain whether low‐GI dietary advice changes large‐for‐gestational age compared with moderate‐ to high‐GI dietary advice (child outcomes) (very low certainty).

1 finding from 1 review

Primary care screening vs secondary care screening

Large‐for‐gestational age · 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 large‐for‐gestational age compared with secondary care screening (low certainty).

1 finding from 1 review

Summary of findings: Energy‐restricted diet vs no energy‐restricted diet (maternal outcomes)

Large‐for‐gestational age · pregnant women with GDM

Summary of findings: Energy‐restricted diet showed no clear difference in large‐for‐gestational age compared with no energy‐restricted diet (neonatal/child/adulthood outcomes) (low certainty).

1 finding from 1 review

Summary of findings: Low‐moderate GI diet vs moderate‐high GI diet (neonatal/child/adulthood outcomes)

Large‐for‐gestational age · pregnant women with GDM

Summary of findings: Low‐moderate GI diet showed no clear difference in large‐for‐gestational age compared with moderate‐high GI diet (neonatal/child/adulthood outcomes) (low certainty).

1 finding from 1 review

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

Large‐for‐gestational age · 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 large‐for‐gestational age compared with standard care (child) (low certainty).

1 finding from 1 review