Moms’ age and job linked to baby’s brain growth in new study

NCT ID NCT00361829

Completed Knowledge-focused Sponsor: Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) Source: ClinicalTrials.gov ↗

First seen Oct 31, 2025 · Last updated May 07, 2026 · Updated 24 times

Summary

This study looked at how a mother’s age, whether she works, and if she has other children affect her baby’s mental and social growth. Researchers watched 2,355 mothers and their babies at 5 months, then checked the children’s development at 20 months and again at 4 years old. The goal was to understand how everyday interactions between mom and child shape learning and social skills over time.

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Contacts and locations

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Locations

Federal University of Rio de Janeiro-Participants Homes

Rio de Janeiro, Brazil
National Institutes of Health Clinical Center

Bethesda, Maryland, 20892, United States
University of Bamenda, Cameroon-Participants Homes

Bamenda, Cameroon
University of Saskatchewan-Participants Homes

Saskatchewan, Canada

Conditions

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CHILD DEVELOPMENT