Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

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

No studies found 0 · 0%GRADE not reported 0 · 0%Very low 0 · 0%Low 0 · 0%Moderate 1 · 100%High 0 · 0%

Intervention not reported

Adverse effects Defined as deaths, hospitalisations, congenital abnormalities and life‐threatening conditions requiring an immediate hospital visit Assessed at 12 and 18 months of age · children aged 6 to 23 months

The intervention showed no clear difference in adverse effects Defined as deaths, hospitalisations, congenital… (moderate certainty).

1 finding from 1 review