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Antenatal ultrasound and autism

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Many factors have been suggested as causes for the apparent rise in prevalence of autistic spectrum disorder (ASD). Perhaps most terrifying for pregnant women is the suggestion that antenatal (AN) ultrasound may be harmful to the developing brain. There is some theoretical justification for this: high-energy sound waves have been shown to cause neuronal disruption in mouse models.

When early safety studies were …

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  • Competing interests None declared.

  • Provenance and peer review Commissioned; internally peer reviewed.