Vitamins During Pregnancy May Reduce Autism Risk in Offspring

Taking prenatal vitamins during pregnancy may help to reduce the risk of a child’s developing autism.

Researchers conducted an observational study of 305 mothers and 332 children, of whom 241 had a sibling with autism. The prenatal vitamin supplements examined were folic acid and iron, which are recommended by the Institute of Medicine. Some of the supplements were included in multivitamins. Only 14.1% of children whose mothers took vitamins in the first month of pregnancy were diagnosed with autism, compared with 32.7% of children whose mothers did not take vitamins at that time.

Results, published in JAMA Psychiatry, also found that higher doses of folic acid supplementation were associated with a greater reduction in autism risk.

The researchers say that future research should look at other nutrients in supplements that may impact autism, as well as foods, type of diet and measurements of nutrient intake.


Jonathan Block

Jonathan Block

Jonathan Block is an associate editor at BioCentury, which provides news and information about the biotechnology and pharmaceutical industries. Prior to joining BioCentury in 2019, Jonathan worked for MedShadow as content editor. He has been an editor and writer for multiple pharmaceutical, health and medical publications, including The Pink Sheet, Modern Healthcare, Health Plan Week and Psychiatry Advisor. He holds a BA from Tufts University and is earning an MPH with a focus on health policy from the CUNY Graduate School of Public Health & Health Policy.


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