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medRxiv PreprintsInternational11 October 2026

Associations between prenatal (poly)phenol intake and cognitive outcomes in school-age children

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Background: (Poly)phenol intake is associated with improved cognitive function in adults, with emerging evidence suggesting benefits in children. However, the role of prenatal (poly)phenol exposures in cognitive development remains a gap in early-life nutrition research. Objective: This analysis of a longitudinal cohort tested the associations between prenatal (poly)phenol intakes and cognitive outcomes in school-age children at age 5 and 8 years. Methods: Participants included mother-child pairs enrolled in a prospective, longitudinal study during pregnancy and completed 5- and 8-year follow-
— medRxiv Preprints
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