Maternal and newborn outcomes among women with schizophrenia: a retrospective population-based cohort study - PubMed (original) (raw)

Comparative Study

. 2014 Apr;121(5):566-74.

doi: 10.1111/1471-0528.12567. Epub 2014 Jan 21.

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Comparative Study

Maternal and newborn outcomes among women with schizophrenia: a retrospective population-based cohort study

S N Vigod et al. BJOG. 2014 Apr.

Abstract

Objective: More women with schizophrenia are becoming pregnant, such that contemporary data are needed about maternal and newborn outcomes in this potentially vulnerable group. We aimed to quantify maternal and newborn health outcomes among women with schizophrenia.

Design: Retrospective cohort study.

Setting: Population based in Ontario, Canada, from 2002 to 2011.

Population: Ontario women aged 15-49 years who gave birth to a liveborn or stillborn singleton infant.

Methods: Women with schizophrenia (n = 1391) were identified based on either an inpatient diagnosis or two or more outpatient physician service claims for schizophrenia within 5 years prior to conception. The reference group comprised 432 358 women without diagnosed mental illness within the 5 years preceding conception in the index pregnancy.

Main outcome measures: The primary maternal outcomes were gestational diabetes mellitus, gestational hypertension, pre-eclampsia/eclampsia, and venous thromboembolism. The primary neonatal outcomes were preterm birth, and small and large birthweight for gestational age (SGA and LGA). Secondary outcomes included additional key perinatal health indicators.

Results: Schizophrenia was associated with a higher risk of pre-eclampsia (adjusted odds ratio, aOR 1.84; 95% confidence interval, 95% CI 1.28-2.66), venous thromboembolism (aOR 1.72, 95% CI 1.04-2.85), preterm birth (aOR 1.75, 95% CI 1.46-2.08), SGA (aOR 1.49, 95% CI 1.19-1.86), and LGA (aOR 1.53, 95% CI 1.17-1.99). Women with schizophrenia also required more intensive hospital resources, including operative delivery and admission to a maternal intensive care unit, paralleled by higher neonatal morbidity.

Conclusions: Women with schizophrenia are at higher risk of multiple adverse pregnancy outcomes, paralleled by higher neonatal morbidity. Attention should focus on interventions to reduce the identified health disparities.

Keywords: Eclampsia; gestational diabetes; gestational hypertension; large for gestational age; pre-eclampsia; pregnancy; preterm birth; schizophrenia; small for gestational age.

© 2014 Royal College of Obstetricians and Gynaecologists.

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