evidencegaps
Findings

What do systematic reviews say?

Refine by population, intervention, comparison or outcome
More filters
Evidence found and GRADE certainty

26 questions · 26 findings · 2 reviews · Developmental, Psychosocial and Learning Problems

Sort:Best matchNewestHighest certaintyDownload CSV
No studies found 0 · 0%GRADE not reported 6 · 23.1%Very low 3 · 11.5%Low 13 · 50%Moderate 4 · 15.4%High 0 · 0%

Intermittent iron supplementation (alone or with any other micronutrients) vs no supplementation or placebo

Iron deficiency (as defined by trialists) · adolescent and adult menstruating women

Intermittent iron supplementation (alone or with any other… showed no clear difference in iron deficiency (as defined by trialists by using indicators of iron… compared with no supplementation or placebo (low certainty).

1 finding from 1 review

Intermittent iron supplementation (alone or with any other micronutrients) vs no supplementation or placebo

Iron deficiency anaemia · adolescent and adult menstruating women

Intermittent iron supplementation (alone or with any other… showed no clear difference in iron deficiency anaemia (as defined by the presence of anaemia plus… compared with no supplementation or placebo (low certainty).

1 finding from 1 review

Intermittent iron supplementation (alone or with any other micronutrients) vs no supplementation or placebo

All‐cause morbidity · adolescent and adult menstruating women

Intermittent iron supplementation (alone or with any other… showed no clear difference in all‐cause morbidity (the most frequent event associated with the… compared with no supplementation or placebo (low certainty).

1 finding from 1 review

Intermittent iron supplementation (alone or with any other micronutrients) vs no supplementation or placebo

Side effects or other adverse events · adolescent and adult menstruating women

Intermittent iron supplementation (alone or with any other… showed no clear difference in any adverse side effects compared with no supplementation or placebo (moderate certainty).

1 finding from 1 review