Article Text
Statistics from Altmetric.com
Commentary on: OpenUrlCrossRefPubMedWeb of Science
Context
Autism spectrum disorder (ASD) prevalence is increasing. Maternal periconceptional folic acid intake was associated with reduced ASD risk in a large, population-based case–control study.1 Surén and colleagues examined whether maternal folic acid supplements were associated with reduced risk for ASD.
Methods
The Norwegian Mother and Child Cohort Study (MoBa) included 85 176 children at least 3 years old born between 1999 and 2009. Questionnaire information on maternal supplement use was obtained around 18-week gestation.
Findings
The 270 MoBa children diagnosed with ASD included 114 with autistic disorder, 56 with Asperger syndrome and 100 with pervasive developmental disorder, not otherwise specified (PDD-NOS). Of the 61 042 children whose mothers took folic acid from 6 weeks before to …
Footnotes
-
Competing interests None.