A recent study explored the impact of tea and coffee consumption during pregnancy on children’s cognitive development. The study involved 1423 mother-child pairs from the Chinese National Birth Cohort. Maternal tea and coffee consumption status was tracked across the three trimesters of pregnancy. Cognitive development in children was assessed at an average age of 36 months using the Bayley Scales of Infant and Toddler Development III.
The findings revealed positive associations between maternal tea consumption during pregnancy and children’s cognitive development. Children of mothers who consistently drank tea throughout pregnancy showed higher cognition, fine motor, and gross motor scores compared to those whose mothers only drank tea in the first trimester. Notably, tea consumption in the second and third trimesters was more strongly linked to improved outcomes than tea consumption in the first trimester.
The study highlighted the potential key periods during pregnancy when maternal tea consumption could impact children’s cognitive development. However, no significant associations were found between maternal coffee consumption during pregnancy and children’s cognitive development. The study utilized group-based trajectory modeling to analyze the trajectories of maternal tea and coffee consumption throughout pregnancy, providing valuable insights into the relationship between maternal habits and children’s cognitive outcomes.
These findings contribute to the ongoing discussion on the effects of maternal tea and coffee consumption during pregnancy on child development. Understanding the nuances of these associations can inform prenatal health recommendations and highlight the importance of maternal lifestyle choices in shaping children’s cognitive abilities.
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