Brief report: maternal smoking during pregnancy and autism spectrum disorders.

  title={Brief report: maternal smoking during pregnancy and autism spectrum disorders.},
  author={Brian K Lee and Renee M. Gardner and Henrik Dal and Anna C. Svensson and Maria Rosaria Galanti and Dheeraj Rai and Christina Dalman and Cecilia Magnusson},
  journal={Journal of autism and developmental disorders},
  volume={42 9},
Prenatal exposure to tobacco smoke is suggested as a potential risk factor for autism spectrum disorders (ASD). Previous epidemiological studies of this topic have yielded mixed findings. We performed a case-control study of 3,958 ASD cases and 38,983 controls nested in a large register-based cohort in Sweden. ASD case status was measured using a multisource case ascertainment system. In adjusted results, we found that maternal smoking during pregnancy is not associated with increased risk of… CONTINUE READING
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