Autism risk following antidepressant medication during pregnancy

A. Viktorin, R. Uher, A. Reichenberg, S. Z. Levine, S. Sandin

Research output: Contribution to journalArticlepeer-review


Background Previous studies have examined if maternal antidepressant medication during pregnancy increase the risk of autism spectrum disorder (ASD) in the offspring, but the results have been conflicting. Methods In a population-based cohort of 179 007 children born in 2006 and 2007 and followed through 2014 when aged 7 and 8, we estimated relative risks (RRs) of ASD and 95% confidence intervals (CIs) from Cox regression in children exposed to any antidepressant medication during pregnancy, and nine specific antidepressant drugs. Analyses were adjusted for potential confounders and were conducted in the full population sample, and in a clinically relevant sub-sample of mothers with at least one diagnosis of depression or anxiety during life. Results The adjusted RR of ASD in children of mothers who used antidepressant medication during pregnancy was estimated at 1.23 (95% CI 0.96-1.57), and at 1.07 (95% CI 0.80-1.43) in women with a history of depression or anxiety. Analyses of specific antidepressants initially revealed increased RRs of offspring ASD confined to citalopram and escitalopram (RR: 1.47; 95% CI 0.92-2.35) and clomipramine (RR: 2.86; 95% CI 1.04-7.82). Conclusion Medication with antidepressants during pregnancy does not appear to be causally associated with an increased risk of ASD in the offspring. Instead, the results suggest that the association is explained by factors related to the underlying susceptibility to psychiatric disorders. Based on these findings, the risk of ASD in the offspring should not be a consideration to withhold treatment with commonly used antidepressant drugs from pregnant women.

Original languageEnglish
Pages (from-to)2787-2796
Number of pages10
JournalPsychological Medicine
Issue number16
StatePublished - 1 Dec 2017

Bibliographical note

Publisher Copyright:
© 2017 Cambridge University Press.


  • Antidepressant
  • SSRI
  • autism
  • depression
  • pregnancy

ASJC Scopus subject areas

  • Applied Psychology
  • Psychiatry and Mental health


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