Question · asked by 1 review

Vitamin E + vitamin C vs placebo: Stillbirth

Vitamin C and vitamin E showed no clear difference in stillbirth compared with placebo (moderate certainty).

What each review found

Current versions only
FindingEffectStudiesGRADE certainty
Vitamin C and vitamin E vs placebo
Stillbirth · pregnant women
Vitamin C and vitamin E showed no clear difference in stillbirth compared with placebo (moderate certainty).
Vitamin supplementation for preventing miscarriage (2016) · Cochrane Headline outcomes only
RR 1.31 [0.97, 1.76]7 studies · 21442 participantsModerate

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

The reviews

ReviewSearched up toIncluded studiesAMSTAR 2
Vitamin supplementation for preventing miscarriage
2016 · Cochrane Headline outcomes only
Not reportedlist not extracted yetNot assessed

Studies behind the findings

None of these reviews ties its included studies to this outcome in the data here. Cochrane reviews and reviews with headline outcomes only do not list their studies yet.

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.