Findings

What do systematic reviews say?

122 questions · 190 findings · 26 reviews

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No studies found 0 · 0%GRADE not reported 171 · 90%Very low 11 · 5.8%Low 5 · 2.6%Moderate 3 · 1.6%High 0 · 0%

Breastfeeding for more than 24 months vs Not breastfed at the same age

Early childhood caries (ECC) · Children younger than 71 months (under 6 years)

Breastfeeding for more than 24 months is associated with higher ECC prevalence (low certainty).

1 finding from 1 review

Risk of Early Childhood Dental Caries Associated With Prolonged Breastfeeding: A Systematic Review and Meta-Analysis. 2025 All outcomes
More than 24 months
OR 2.99 [1.03, 8.67]
4 studies
Low

Breastfeeding for 12-24 months vs Not breastfed at the same age

Early childhood caries (ECC) · Children younger than 71 months (under 6 years)

Breastfeeding for 12-24 months is associated with higher ECC prevalence (low certainty).

1 finding from 1 review

Risk of Early Childhood Dental Caries Associated With Prolonged Breastfeeding: A Systematic Review and Meta-Analysis. 2025 All outcomes
12-24 months
PR 3.32 [1.57, 5.07]
2 studies
Low