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Maternal prenatal infection and anxiety predict neurodevelopmental outcomes in middle childhood.

Thomas G O’Connor; Allison Avrich Ciesla; Ana Vallejo Sefair; Loralei L Thornburg; Alan S Brown; Vivette Glover; Kieran J O’Donnell

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Title: Maternal prenatal infection and anxiety predict neurodevelopmental outcomes in middle childhood.
Author: Thomas G O’Connor; Allison Avrich Ciesla; Ana Vallejo Sefair; Loralei L Thornburg; Alan S Brown; Vivette Glover; Kieran J O’Donnell
Source: Journal of Psychopathology and Clinical Science · DOI 10.1037/abn0000746 Published 2022-03-03 · Open source record
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Abstract Prenatal maternal infection and anxiety have been linked, in separate lines of study, with child neurodevelopment. We extend and integrate these lines of study in a large prospective longitudinal cohort study of child neurodevelopment. Data are based on the Avon Longitudinal Study of Parents and Children (ALSPAC) cohort; prenatal maternal anxiety was assessed from self-report questionnaire; prenatal infection was derived from reports of several conditions in pregnancy (n = 7,042). Child neurodevelopment at approximately 8 years of age was assessed by in-person testing, reports of social and communication problems associated with autism, and psychiatric evaluation. Covariates included psychosocial, demographic, and perinatal/obstetric risks. Prenatal infection was associated with increased likelihood of co-occurring prenatal risk, including anxiety. Regression analyses indicated that both prenatal infection and prenatal anxiety predicted child social and communication problems; the predictions were largely independent of each other. Comparable effects were also found for the prediction of symptoms of attention problems and anxiety symptoms. These results provide the first evidence for the independent effects of prenatal infection and anxiety on a broad set of neurodevelopmental and behavioral and emotional symptoms in children, suggesting the involvement of multiple mechanisms in the prenatal programming of child neurodevelopment. The results further underscore the importance of promoting prenatal physical and mental health for child health outcomes. Keywords: developmental programming, prenatal anxiety, prenatal infection, immune activation, ALSPAC General Scientific Summary There is considerable interest in understanding how and if common prenatal exposures may shape child neurodevelopment; results of these studies provide essential insight into developmental mechanisms and treatment/prevention strategies. The current study, based on a large community sample followed since pregnancy, provides the first evidence that two common prenatal exposures, maternal anxiety and infection, independently predict early-emerging signs of social and cognitive problems in children.

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Original journal: Journal of Psychopathology and Clinical Science
Published: 2022-03-03
DOI: 10.1037/abn0000746
Open record: PMC9069845

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