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

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

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