Prenatal Plastic Pollutant Exposure Linked to Lower IQ in Children

French researchers have found a link between exposure to specific plastic pollutants during the third trimester of pregnancy and lower IQ in children at age three. The study, published in Environmental Health Perspectives, was conducted by experts from the French National Institute of Health and Medical Research (Inserm) and Grenoble Alpes University.

The researchers focused on the impact of phthalates and bisphenol A, two common plastic pollutants, on child development. These chemicals are widely used in various consumer products, including plastics, cosmetics, and food packaging.

The study involved analyzing data from 360 mother-child pairs. The researchers measured the levels of phthalates and bisphenol A in the mothers' urine samples during the third trimester of pregnancy. They then assessed the cognitive development of the children at age three using standardized IQ tests.

The findings revealed that higher levels of these pollutants in the mothers' urine were associated with lower IQ scores in their children. Specifically, children exposed to higher levels of these chemicals during the third trimester had an average IQ score that was 3.6 points lower than those with lower exposure.

This research adds to a growing body of evidence highlighting the potential neurodevelopmental impacts of plastic pollutants on children. The study underscores the importance of reducing exposure to these chemicals, particularly during critical periods of fetal development.

CONTEXT: The findings are significant as they contribute to the understanding of how environmental factors can influence child development. The study emphasizes the need for further research and regulatory measures to protect vulnerable populations, such as pregnant women and young children, from the potential harms of plastic pollutants.