Question · asked by 1 review

Supplementation with folate vs no intervention, placebo or other micronutrients without folate (neonatal outcomes): Other congenital anomalies (All)

Supplementation with folate showed no clear difference in other congenital anomalies (All) compared with no intervention, placebo or other micronutrients without folate… (low certainty).

What each review found

Include earlier review versions
FindingEffectStudiesGRADE certainty
Supplementation with folate vs no intervention, placebo or other micronutrients without folate (neonatal outcomes)
Other congenital anomalies (All) · all women who become pregnant or were 12 or less weeks' pregnant at the time of the intervention
Supplementation with folate showed no clear difference in other congenital anomalies (All) compared with no intervention, placebo or other micronutrients without folate… (low certainty).
Effects and safety of periconceptional oral folate supplementation for preventing birth defects (2015) · Cochrane Headline outcomes only
RR 0.94 [0.53, 1.66]3 studies · 5612 participantsLow

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

The reviews

ReviewSearched up toIncluded studiesAMSTAR 2
Effects and safety of periconceptional oral folate supplementation for preventing birth defects
2015 · 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.