Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

30 questions · 31 findings · 6 reviews · Headline outcomes only

No studies found 7 · 22.6%GRADE not reported 0 · 0%Very low 0 · 0%Low 8 · 25.8%Moderate 14 · 45.2%High 2 · 6.5%

Multivitamin plus iron plus folate vs iron plus folate

Total fetal loss (including miscarriages or combined miscarriages and stillbirths) · pregnant women

Multivitamin plus iron plus folate showed no clear difference in total fetal loss (including miscarriages or combined miscarriages… compared with iron plus folate (high certainty).

1 finding from 1 review

Multivitamin vs control

Cognitive function · cognitively healthy people in mid and late life
2 findings from 1 review