Question · asked by 1 review

Any supplements containing iron vs same supplements without iron or no treatment/placebo (no iron or placebo): Maternal death

Population
pregnant women
Intervention
Any supplements containing iron
Comparison
same supplements without iron or no treatment/placebo (no iron or placebo)
Outcome
Maternal death

It is very uncertain whether (Maternal outcomes) Any supplements containing iron changes maternal death (death while pregnant or within 42 days of… compared with same supplements without iron or no treatment/placebo (no iron or… (very low certainty).

What each review found

Current versions only
FindingEffectStudiesGRADE certainty
(Maternal outcomes) Any supplements containing iron vs same supplements without iron or no treatment/placebo (no iron or placebo)
Maternal death (death while pregnant or within 42 days of termination of pregnancy) (ALL) · Pregnant women of any gestational age and parity
It is very uncertain whether (Maternal outcomes) Any supplements containing iron changes maternal death (death while pregnant or within 42 days of… compared with same supplements without iron or no treatment/placebo (no iron or… (very low certainty).
Daily oral iron supplementation during pregnancy (2015) · Cochrane Headline outcomes only
RR 0.33 [0.01, 8.19]2 studies · 12560 participantsVery low

Findings are shown side by side, never pooled across reviews.

The reviews

ReviewSearched up toIncluded studiesAMSTAR 2
Daily oral iron supplementation during pregnancy
2015 · Cochrane Headline outcomes only
Not reportedNot extractedNot assessed

The same intervention and outcome, asked in another population or against another comparator.

How reviews are matched to this question

Reviews word the same question differently. Four decision models (TypeSafe's Jev, Liquid AI's d1-ultra, SubQ Snap and Baseten's Elephant) judged each wording of the population, intervention, comparator and outcome against the others; two wordings count as the same when at least three of them agree and none clearly disagrees, and findings count as this question only when all four elements match. Timing, setting and subgroup never split a question: they are shown on each finding.