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%

Balanced protein and energy supplementation vs no intervention or control intervention (control)

Small‐for‐gestational age · pregnant women

Balanced protein and energy supplementation probably leads to lower small‐for‐gestational age compared with control or no intervention (moderate certainty).

1 finding from 1 review