Findings

What do systematic reviews say?

2 questions · 2 findings · 1 reviews

No studies found 0 · 0%GRADE not reported 0 · 0%Very low 0 · 0%Low 1 · 50%Moderate 1 · 50%High 0 · 0%

Birthweight (g) · Pregnant women (healthy and probable zinc deficiency)

1 finding from 1 review

Zinc supplementation for improving pregnancy and infant outcome 2021 · Cochrane Headline outcomes only
no estimate extracted
22 studies · 7977 participants
Low

Low birthweight · Pregnant women (healthy and probable zinc deficiency)

Zinc supplementation showed no clear difference in low Birthweight (< 2500 g) compared with no zinc (with or without placebo) (moderate certainty).

1 finding from 1 review

Zinc supplementation for improving pregnancy and infant outcome 2021 · Cochrane Headline outcomes only
RR 0.94 [0.79, 1.13]
17 studies · 7399 participants
Moderate