Prenatal Exposure to Air Pollution and Autism Spectrum Disorder: Sensitive Windows of Exposure and Sex Differences

Abstract

Exposures to <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msub><mml:mrow><mml:mrow><mml:mi>PM</mml:mi></mml:mrow></mml:mrow><mml:mrow><mml:mrow><mml:mn>2.5</mml:mn></mml:mrow></mml:mrow></mml:msub></mml:mrow></mml:math> in the first two gestational trimesters were associated with increased ASD risk in children, with stronger associations observed for boys. The role of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msub><mml:mrow><mml:mi>O</mml:mi></mml:mrow><mml:mrow><mml:mn>3</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math> exposure on ASD risk merits further investigation. https://doi.org/10.1289/EHP9509.