Article Text

PDF
Prenatal valproate exposure and risk of autism spectrum disorders and childhood autism

Statistics from Altmetric.com

Methods

Design: Population-based cohort study.

Setting: National register of children born in Denmark from 1996 to 2006.

Patients: 655 615 children with an estimated time of conception over 11 years to December 2006; 2644 children exposed to antiepileptic drugs during pregnancy and 508 exposed to valproate. Follow up to autism spectrum diagnosis; death; emigration; or until 31 December 2010. Excluded Those with likely errors or missing values for gestational age, adopted children, and death <1 year old.

Risk factors: Parental age at conception, parental psychiatric history, gestational age, birth weight, sex, congenital malformations and parity.

Outcomes: Absolute risk (cumulative incidence) and the HR of autism spectrum disorder and childhood autism in children after exposure to valproate in pregnancy.

Main results

Of 655 615, 5437 were identified with autism spectrum disorder, including 2067 with childhood autism. …

View Full Text

Request permissions

If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.