Schizophrenia and offspring's risk for adverse pregnancy outcomes and infant death

Women with schizophrenia are at increased risk for adverse pregnancy outcomes. It is not known whether offspring born to fathers with schizophrenia also have an increased risk. To evaluate paternal and maternal influences on the association between schizophrenia and pregnancy outcomes. A record link...

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Bibliographic Details
Published in:British journal of psychiatry 2008-10, Vol.193 (4), p.311-315
Main Authors: Nilsson, Emma, Hultman, Christina M., Cnattingius, Sven, Olausson, Petra Otterblad, Björk, Camilla, Lichtenstein, Paul
Format: Article
Language:English
Subjects:
Adult
Cause of Death
Cohort Studies
Fathers
Female
Humans
Infant
Infant Mortality
Infant, Newborn
Infant, Small for Gestational Age
Male
Maternal Age
Maternal characteristics
Mentally ill parents
Paternal Age
Pregnancy
Pregnancy Complications - mortality
Pregnancy Complications - psychology
Pregnancy Outcome - psychology
Premature Birth - mortality
Premature Birth - psychology
Risk Factors
Schizophrenia
Schizophrenia - complications
Schizophrenia - mortality
Sweden - epidemiology
Young Adult
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Summary:Women with schizophrenia are at increased risk for adverse pregnancy outcomes. It is not known whether offspring born to fathers with schizophrenia also have an increased risk. To evaluate paternal and maternal influences on the association between schizophrenia and pregnancy outcomes. A record linkage including 2 million births was made using Swedish population-based registers. The risk for adverse pregnancy outcomes was evaluated through logistic regression. Offspring with a mother or father with schizophrenia faced a doubled risk of infant mortality, which could not be explained by maternal behaviour alone during pregnancy. Excess infant death risk was largely attributable to post-neonatal death. Maternal factors (e.g. smoking) explained most of the other risks of adverse pregnancy outcomes among both mothers and fathers with schizophrenia. The risks to offspring whose fathers had schizophrenia suggest that, in addition to maternal risk behaviour, non-optimal social and/or parenting circumstances are of importance.
ISSN:0007-1250
1472-1465
DOI:10.1192/bjp.bp.107.045146