Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

966 questions · 1,015 findings · 90 reviews · Headline outcomes only

No studies found 256 · 25.2%GRADE not reported 62 · 6.1%Very low 271 · 26.7%Low 269 · 26.5%Moderate 111 · 10.9%High 46 · 4.5%

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

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