Primal Health Databank Entry

Entry No:1094
Title:Pre-conceptual and prenatal supplementary folic acid and multivitamin intake, behavioral problems, and hyperkinetic disorders: A study based on the Danish National Birth Cohort (DNBC).
Author(s):Virk J, Liew Z, et al
Reference:Nutr Neurosci. 2018 Jun;21(5):352-360. doi: 10.1080/1028415X.2017.1290932. Epub 2017 Mar 9.
Place of Study:Denmark
Abstract:This objective was to evaluate whether early folic acid or multivitamin supplementation during pregnancy prevents diagnosis of hyperkinetic disorders (HKD), treatment for attention deficit hyperactivity disorder (ADHD), and ADHD-like behaviors reported by parents participating in the DNBC for children at age 7. HKD diagnosis and ADHD medication use data were obtained from the Danish National Hospital, Central Psychiatric and Pharmaceutical registers. The authors estimated hazard ratios (HRs) for HKD diagnosis and ADHD medication use and risk ratios (RRs) for parent-reported ADHD behavior collected with the Strength and Difficulties Questionnaire (SDQ), comparing children whose mothers took folic acid or multivitamin supplements early in pregnancy defined as starting periconceptionally (4 weeks prior to their last menstrual period (LMP)) through 8 weeks after their LMP (4-8 weeks), to children whose mothers indicated no supplement use for the same entire period. The authors identified 384 children (1.1%) with a hospital diagnosis for HKD and 642 children (1.8%) treated with ADHD medication. The authors found no association between risk of HKD diagnosis or intake of ADHD medication and early maternal folic acid use. However, early multivitamin use was associated with an approximately 30% reduction in risk for HKD diagnosis (aHR: 0.70, 95% CI: 0.52-0.96) and 21% reduction in treatment with ADHD medication (aHR: 0.79, 95% CI: 0.62-0.98). The authors observed a reduced risk in parent-reported ADHD behaviors, but these results were attenuated after adjustment. CONCLUSION: Multivitamin use in early pregnancy may reduce risk for HKD diagnosis and treatment for ADHD in the offspring.
Keyword(s):ADHD, attention deficit hyperactivity disorder, folic acid, hyperkinetic symptoms, multivitamin, vitamins
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