Exposure to air pollution is linked to babies' growth during pregnancy, according to a new study. Data from a decade’s worth of research gathered evidence from around the world to establish the extent to which mothers’ exposures to air pollution, diet, alcohol and chemicals affects fetal growth.

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Exposure to air pollution is linked to babies' growth during pregnancy, according to a new study. Data from a decade’s worth of research gathered evidence from around the world to establish the extent to which mothers’ exposures to air pollution, diet, alcohol and chemicals affects fetal growth.