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Autism spectrum disorder ASD includes a range of conditions, including Asperger syndrome, that affect a person’s social interaction, communication, interests and behaviour. More boys are diagnosed with the condition than girls. Taking multivitamins during early pregnancy may be associated with a reduced risk of autism spectrum disorder ASD in children compared with mothers who do not take multivitamins.
Research indicates that ASD most likely develops in the womb and that a mother’s diet during pregnancy could have an influence. But results from previous studies suggested other unmeasured factors such as a mother’s overall health and lifestyle, could also contribute to ASD. Researchers examined the effects of nutrient supplementation during pregnancy and discovered that it is associated with reduced risk of ASD. They applied three analytical methods to a different participants.
After adjusting for several potentially influencing factors in both mothers and children, the researchers found that multivitamin use, with or without additional iron and/or folic acid, was associated with a lower likelihood of child ASD with intellectual disability relative to mothers who did not use folic acid, iron, and multivitamins.
There was no consistent evidence that either iron or folic acid use were associated with a reduced risk of ASD.
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