Taking prenatal vitamins appears to lower autims risk by 60 percent. A new study finds prenatals have a protective benefit especially for women with a high risk genetic make-up.
Doctors say the extra B-vitamins in them are crucial for brain development.
They say women should take them three months before pregnancy and at least one month after.
Scientists say this study suggests a gene environment interaction may be a contributing factor to autism.
Click here to read more about this study
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