Findings

What do systematic reviews say?

1 questions · 1 findings · 1 reviews · Headline outcomes only

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

Any adverse effects · pregnant women

The review found no eligible studies for this question.

1 finding from 1 review

Vitamin supplementation for preventing miscarriage 2016 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found