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Chernobyl exposure as stressor during pregnancy and behaviour in adolescent offspring

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Huizink AC, Dick DM, Sihvola E, Pulkkinen L, Rose RJ, Kaprio J. Chernobyl exposure as stressor during pregnancy and behaviour in adolescent offspring. Objective: 

Research in animals has shown that exposure to stressors during pregnancy is associated with offspring behavioural disorders. We aimed to study the effect of in utero exposure to the Chernobyl disaster in 1986, and maternal anxiety presumably associated with that exposure, on behaviour disorder observed at age 14. Method: 

Exposed (n = 232) and non-exposed Finnish twins (n = 572) were compared. A semi-structured interview was used to assess lifetime symptoms of depression, generalized anxiety disorder, attention deficit hyperactivity disorder, conduct disorder and oppositional defiant disorder symptoms. Results: 

Adolescents who were exposed from the second trimester in pregnancy onwards, had a 2.32-fold risk (95% CI: 1.13–4.72) of having lifetime depression symptoms, an increased risk of fulfilling DSM-III-R criteria of a major depressive disorder (OR = 2.48, 95% CI: 1.06–5.7), and a 2.01-fold risk (95% CI: 1.14–3.52) of having attention deficit hyperactivity disorder symptoms. Conclusion: 

Perturbations in fetal brain development during the second trimester may be associated with the increased prevalence of depressive and attention deficit hyperactivity disorder symptoms.

Keywords: Chernobyl nuclear accident; adolescent; prenatal exposure delayed effects

Document Type: Research Article


Affiliations: 1: Department of Child and Adolescent Psychiatry, Erasmus Medical Center, Rotterdam, the Netherlands 2: Departments of Psychiatry and Psychology, Washington University in St Louis, St Louis, MO, USA 3: Department of Psychology, University of Jyväskylä, Jyväskylä, Finland

Publication date: December 1, 2007

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