Findings

What do systematic reviews say?

1 questions · 1 findings · 1 reviews

No studies found 0 · 0%GRADE not reported 0 · 0%Very low 0 · 0%Low 1 · 100%Moderate 0 · 0%High 0 · 0%

Preterm birth · Pregnant women (healthy and probable zinc deficiency)

Zinc supplementation showed no clear difference in preterm birth (< 37 weeks) compared with no zinc (with or without placebo) (low certainty).

1 finding from 1 review

Zinc supplementation for improving pregnancy and infant outcome 2021 · Cochrane Headline outcomes only
RR 0.87 [0.74, 1.03]
21 studies · 9851 participants
Low