Folate During Pregnancy and Autism - A Recent Study

The authors of an exploratory study, observed a strong relationship between pregnant women’s very high plasma levels of folic acid (>59 nmol/L) and vitamin B12 (>600 pmol/L) and the occurrence of autism in their child (HR: 17.59; P value: <0.001).  They also observed that taking prenatal vitamin supplements was associated with a lower risk of autism (HR 0.33 to 0.67 - statistically significant for 3-5 times per week consistent with other frequencies but no dose...