What do systematic reviews say?

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

• Dietary advice interventions in pregnancy for preventing gestational diabetes mellitus 2017 · Cochrane Headline outcomes only
  no estimate extracted
  0 studies · 0 participants
  GRADE not reported

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

The review found no eligible studies for this question.

• Different types of dietary advice for women with gestational diabetes mellitus 2017 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

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

It is very uncertain whether summary of findings: Energy‐restricted diet changes neonatal hypoglycaemia compared with no energy‐restricted diet (neonatal/child/adulthood outcomes) (very low certainty).

• Different types of dietary advice for women with gestational diabetes mellitus 2017 · Cochrane Headline outcomes only
  RR 1.06 [0.48, 2.32]
  2 studies · 408 participants
  Very low

Dietary advice vs standard‐of‐care therapy

• Dietary advice interventions in pregnancy for preventing gestational diabetes mellitus 2017 · Cochrane Headline outcomes only
  no estimate extracted
  0 studies · 0 participants
  GRADE not reported

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

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

• Combined diet and exercise interventions for preventing gestational diabetes mellitus 2017 · Cochrane Headline outcomes only
  RR 1.42 [0.67, 2.98]
  2 studies · 3653 participants
  Low

Intervention not reported

It is very uncertain whether the intervention changes neonatal hypoglycaemia (very low certainty).

• Antenatal dietary supplementation with myo‐inositol for preventing gestational diabetes 2023 · Cochrane Headline outcomes only
  RR 3.07 [0.9, 10.52]
  4 studies · 671 participants
  Very low

Myo‐inositol vs placebo

Myo‐inositol may leads to lower neonatal hypoglycaemia compared with placebo (low certainty).

• Dietary supplementation with myo‐inositol in women during pregnancy for treating gestational diabetes 2016 · Cochrane Headline outcomes only
  RR 0.05 [0, 0.85]
  1 study · 73 participants
  Low