Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

232 questions · 233 findings · 18 reviews · Public Health

No studies found 41 · 17.6%GRADE not reported 24 · 10.3%Very low 50 · 21.5%Low 63 · 27%Moderate 35 · 15%High 20 · 8.6%

Zinc supplementation in pregnant women vs supplementation without zinc or placebo to reduce stunting

Birth length · pregnant women

Zinc supplementation in pregnant women showed no clear difference in length (cm) at birth compared with supplementation without zinc or placebo to reduce stunting (moderate certainty).

1 finding from 1 review

Zinc supplementation in pregnant women vs supplementation without zinc or placebo to reduce stunting

Low birth weight (g) · pregnant women

Zinc supplementation in pregnant women showed no clear difference in low birth weight (g) compared with supplementation without zinc or placebo to reduce stunting (moderate certainty).

1 finding from 1 review