What do systematic reviews say?

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

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).

• Different types of dietary advice for women with gestational diabetes mellitus 2017 · Cochrane Headline outcomes only
  RR 0.71 [0.22, 2.34]
  2 studies · 89 participants
  Low

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

Summary of findings: Energy‐restricted diet showed no clear difference in hypertensive disorders of pregnancy: pre‐eclampsia compared with no energy‐restricted diet (maternal outcomes) (low certainty).

• Different types of dietary advice for women with gestational diabetes mellitus 2017 · Cochrane Headline outcomes only
  RR 1 [0.51, 1.97]
  1 study · 117 participants
  Low

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

Summary of findings: Energy‐restricted diet showed no clear difference in caesarean section compared with no energy‐restricted diet (maternal outcomes) (low certainty).

• Different types of dietary advice for women with gestational diabetes mellitus 2017 · Cochrane Headline outcomes only
  RR 1.12 [0.8, 1.56]
  2 studies · 420 participants
  Low

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

Summary of findings: Energy‐restricted diet showed no clear difference in induction of labour compared with no energy‐restricted diet (maternal outcomes) (low certainty).

• Different types of dietary advice for women with gestational diabetes mellitus 2017 · Cochrane Headline outcomes only
  RR 1.02 [0.68, 1.53]
  1 study · 114 participants
  Low

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

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)

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)

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)

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).

• Different types of dietary advice for women with gestational diabetes mellitus 2017 · Cochrane Headline outcomes only
  RR 1.17 [0.65, 2.12]
  1 study · 123 participants
  Low

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

• Different types of dietary advice for women with gestational diabetes mellitus 2017 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 423 participants
  Low

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

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

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)

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

Low glycaemic index (GI) or glycaemic load (GL) diets vs higher GI or GL diets

• Low glycaemic index or low glycaemic load diets for people with overweight or obesity 2023 · Cochrane Headline outcomes only
  no estimate extracted
  7 studies · 403 participants
  Moderate

Low glycaemic index (GI) or glycaemic load (GL) diets vs higher GI or GL diets

• Low glycaemic index or low glycaemic load diets for people with overweight or obesity 2023 · Cochrane Headline outcomes only
  no estimate extracted
  4 studies · 186 participants
  Low

Low glycaemic index (GI) or glycaemic load (GL) diets vs higher GI or GL diets

• Low glycaemic index or low glycaemic load diets for people with overweight or obesity 2023 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 106 participants
  Very low