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Parental Infections Before, During, and After Pregnancy as Risk Factors for Mental Disorders in Childhood and Adolescence: A Nationwide Danish Study

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Parental Infections Before, During, and After Pregnancy as Risk Factors for Mental Disorders in Childhood and Adolescence : A Nationwide Danish Study. / Lydholm, Cecilie N; Köhler-Forsberg, Ole; Nordentoft, Merete; Mortensen, Preben B; Petersen, Liselotte; Yolken, Robert H; Benros, Michael E.

In: Biological Psychiatry, Vol. 85, No. 4, 15.02.2019, p. 317-325.

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Lydholm, Cecilie N ; Köhler-Forsberg, Ole ; Nordentoft, Merete ; Mortensen, Preben B ; Petersen, Liselotte ; Yolken, Robert H ; Benros, Michael E. / Parental Infections Before, During, and After Pregnancy as Risk Factors for Mental Disorders in Childhood and Adolescence : A Nationwide Danish Study. In: Biological Psychiatry. 2019 ; Vol. 85, No. 4. pp. 317-325.

Bibtex

@article{374b502cdf7641a2a5727fc89e8a3b8c,
title = "Parental Infections Before, During, and After Pregnancy as Risk Factors for Mental Disorders in Childhood and Adolescence: A Nationwide Danish Study",
abstract = "BACKGROUND: Previous studies have shown associations between maternal infections during pregnancy and increased risks of schizophrenia and autism spectrum disorder in the offspring. However, large-scale studies investigating an association between parental infections both during and outside the pregnancy period and the risk of any mental disorder in the child are lacking.METHODS: A nationwide Danish cohort study identified 1,206,600 children born between 1996 and 2015 and followed them to a maximum of 20 years of age. Exposure included all maternal and paternal infections treated with anti-infective agents or hospital contacts before, during, or after pregnancy. The main outcome was a diagnosis of any mental disorder in the child. Hazard ratios (HRs) were calculated using Cox regression analysis.RESULTS: Maternal infections during pregnancy treated with anti-infective agents (n = 567,016) increased the risk of mental disorders (n = 70,037) in the offspring (HR, 1.09; 95% confidence interval [CI], 1.06-1.12), which was more elevated (p < .001) than after paternal infections (n = 350,835; HR, 1.01; 95% CI, 0.98-1.03). Maternal hospital contacts for infections (n = 39,753) conferred an increased HR of 1.21 (95% CI, 1.14-1.28), which was not significantly (p = .08) different from the risk after paternal infections (n = 8559; HR, 1.07; 95% CI, 0.95-1.20). The increased risks observed during pregnancy were not different from the similarly increased risks for maternal and paternal infections before and after pregnancy. The risk of mental disorders increased in a dose-response relationship with the number of maternal infections treated with anti-infective agents, particularly during and after pregnancy (both p < .001).CONCLUSIONS: Maternal infections were associated with an increased risk of mental disorder in the offspring; however, there were similar estimates during and outside the pregnancy period.",
keywords = "Adolescent psychiatry, Child psychiatry, Inflammation, Parental infections, Pregnancy, Prenatal infections",
author = "Lydholm, {Cecilie N} and Ole K{\"o}hler-Forsberg and Merete Nordentoft and Mortensen, {Preben B} and Liselotte Petersen and Yolken, {Robert H} and Benros, {Michael E}",
note = "Copyright {\textcopyright} 2018 Society of Biological Psychiatry. Published by Elsevier Inc. All rights reserved.",
year = "2019",
month = feb,
day = "15",
doi = "10.1016/j.biopsych.2018.09.013",
language = "English",
volume = "85",
pages = "317--325",
journal = "Biological Psychiatry",
issn = "0006-3223",
publisher = "Elsevier",
number = "4",

}

RIS

TY - JOUR

T1 - Parental Infections Before, During, and After Pregnancy as Risk Factors for Mental Disorders in Childhood and Adolescence

T2 - A Nationwide Danish Study

AU - Lydholm, Cecilie N

AU - Köhler-Forsberg, Ole

AU - Nordentoft, Merete

AU - Mortensen, Preben B

AU - Petersen, Liselotte

AU - Yolken, Robert H

AU - Benros, Michael E

N1 - Copyright © 2018 Society of Biological Psychiatry. Published by Elsevier Inc. All rights reserved.

PY - 2019/2/15

Y1 - 2019/2/15

N2 - BACKGROUND: Previous studies have shown associations between maternal infections during pregnancy and increased risks of schizophrenia and autism spectrum disorder in the offspring. However, large-scale studies investigating an association between parental infections both during and outside the pregnancy period and the risk of any mental disorder in the child are lacking.METHODS: A nationwide Danish cohort study identified 1,206,600 children born between 1996 and 2015 and followed them to a maximum of 20 years of age. Exposure included all maternal and paternal infections treated with anti-infective agents or hospital contacts before, during, or after pregnancy. The main outcome was a diagnosis of any mental disorder in the child. Hazard ratios (HRs) were calculated using Cox regression analysis.RESULTS: Maternal infections during pregnancy treated with anti-infective agents (n = 567,016) increased the risk of mental disorders (n = 70,037) in the offspring (HR, 1.09; 95% confidence interval [CI], 1.06-1.12), which was more elevated (p < .001) than after paternal infections (n = 350,835; HR, 1.01; 95% CI, 0.98-1.03). Maternal hospital contacts for infections (n = 39,753) conferred an increased HR of 1.21 (95% CI, 1.14-1.28), which was not significantly (p = .08) different from the risk after paternal infections (n = 8559; HR, 1.07; 95% CI, 0.95-1.20). The increased risks observed during pregnancy were not different from the similarly increased risks for maternal and paternal infections before and after pregnancy. The risk of mental disorders increased in a dose-response relationship with the number of maternal infections treated with anti-infective agents, particularly during and after pregnancy (both p < .001).CONCLUSIONS: Maternal infections were associated with an increased risk of mental disorder in the offspring; however, there were similar estimates during and outside the pregnancy period.

AB - BACKGROUND: Previous studies have shown associations between maternal infections during pregnancy and increased risks of schizophrenia and autism spectrum disorder in the offspring. However, large-scale studies investigating an association between parental infections both during and outside the pregnancy period and the risk of any mental disorder in the child are lacking.METHODS: A nationwide Danish cohort study identified 1,206,600 children born between 1996 and 2015 and followed them to a maximum of 20 years of age. Exposure included all maternal and paternal infections treated with anti-infective agents or hospital contacts before, during, or after pregnancy. The main outcome was a diagnosis of any mental disorder in the child. Hazard ratios (HRs) were calculated using Cox regression analysis.RESULTS: Maternal infections during pregnancy treated with anti-infective agents (n = 567,016) increased the risk of mental disorders (n = 70,037) in the offspring (HR, 1.09; 95% confidence interval [CI], 1.06-1.12), which was more elevated (p < .001) than after paternal infections (n = 350,835; HR, 1.01; 95% CI, 0.98-1.03). Maternal hospital contacts for infections (n = 39,753) conferred an increased HR of 1.21 (95% CI, 1.14-1.28), which was not significantly (p = .08) different from the risk after paternal infections (n = 8559; HR, 1.07; 95% CI, 0.95-1.20). The increased risks observed during pregnancy were not different from the similarly increased risks for maternal and paternal infections before and after pregnancy. The risk of mental disorders increased in a dose-response relationship with the number of maternal infections treated with anti-infective agents, particularly during and after pregnancy (both p < .001).CONCLUSIONS: Maternal infections were associated with an increased risk of mental disorder in the offspring; however, there were similar estimates during and outside the pregnancy period.

KW - Adolescent psychiatry

KW - Child psychiatry

KW - Inflammation

KW - Parental infections

KW - Pregnancy

KW - Prenatal infections

U2 - 10.1016/j.biopsych.2018.09.013

DO - 10.1016/j.biopsych.2018.09.013

M3 - Journal article

C2 - 30446204

VL - 85

SP - 317

EP - 325

JO - Biological Psychiatry

JF - Biological Psychiatry

SN - 0006-3223

IS - 4

ER -