Despite longstanding investigations, the exact causes of autism remain elusive. A study from NYU Langone Health examined over 1.1 million pregnancies in Denmark, concluding that maternal health issues during pregnancy, such as infections or depression, do not convincingly contribute to autism diagnoses. Instead, the findings indicated that genetics and environmental factors, including maternal age, are more significant contributors. This research highlights the complexities of autism and suggests the need for further studies to fully understand its origins.
We saw no association between the individual [diagnostic codes on medical records] indicating maternal infection and [a child's] autism diagnosis...we cannot say conclusively that maternal infection does not cause autism.
Researchers narrowed their focus to 236 maternal conditions reported in the health records...most of the children's autism diagnoses can be attributed to factors such as the mother's age during pregnancy.
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