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Evidence found and GRADE certainty

7 questions · 7 findings · 1 reviews · Developmental, Psychosocial and Learning Problems

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No studies found 0 · 0%GRADE not reported 0 · 0%Very low 0 · 0%Low 5 · 71.4%Moderate 2 · 28.6%High 0 · 0%

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

Anaemia · adolescent and adult menstruating women

Intermittent iron supplementation (alone or with any other… may leads to lower anaemia (haemoglobin concentration below a cut‐off defined by 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

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