Association between pre-pregnancy multimorbidity and adverse maternal outcomes: A systematic review

Objective We reviewed the literature on the association between pre-pregnancy multimorbidity (co-occurrence of two or more chronic conditions) and adverse maternal outcomes in pregnancy and postpartum. Data sources Medline, EMBASE, and CINAHL were searched from inception to September, 2021. Study se...

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Main Authors: Hilary K Brown, Anthony McKnight, Amira Aker
Format: Article
Language:English
Published: SAGE Publishing 2022-04-01
Series:Journal of Multimorbidity and Comorbidity
Online Access:https://doi.org/10.1177/26335565221096584
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author Hilary K Brown
Anthony McKnight
Amira Aker
author_facet Hilary K Brown
Anthony McKnight
Amira Aker
author_sort Hilary K Brown
collection DOAJ
description Objective We reviewed the literature on the association between pre-pregnancy multimorbidity (co-occurrence of two or more chronic conditions) and adverse maternal outcomes in pregnancy and postpartum. Data sources Medline, EMBASE, and CINAHL were searched from inception to September, 2021. Study selection Observational studies were eligible if they reported on the association between ≥ 2 co-occurring chronic conditions diagnosed before conception and any adverse maternal outcome in pregnancy or within 365 days of childbirth, had a comparison group, were peer-reviewed, and were written in English. Data extraction and synthesis Two reviewers used standardized instruments to extract data and rate study quality and the certainty of evidence. A narrative synthesis was performed. Results Of 6,381 studies retrieved, seven met our criteria. There were two prospective cohort studies, two retrospective cohort studies, and 3 cross-sectional studies, conducted in the United States (n=6) and Canada (n=1), and ranging in size from n=3,110 to n=57,326,681. Studies showed a dose-response relation between the number of co-occurring chronic conditions and risk of adverse maternal outcomes, including severe maternal morbidity or mortality, hypertensive disorders of pregnancy, and acute health care use in the perinatal period. Study quality was rated as strong (n=1), moderate (n=4), or weak (n=2), and the certainty of evidence was very low to moderate. Conclusion Given the increasing prevalence of chronic disease risk factors such as advanced maternal age and obesity, more research is needed to understand the impact of pre-pregnancy multimorbidity on maternal health so that appropriate preconception and perinatal supports can be developed.
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spelling doaj-art-5061a4c9fa10465ca82f8f03cf4ef0e12024-11-25T00:03:32ZengSAGE PublishingJournal of Multimorbidity and Comorbidity2633-55652022-04-011210.1177/26335565221096584Association between pre-pregnancy multimorbidity and adverse maternal outcomes: A systematic reviewHilary K BrownAnthony McKnightAmira AkerObjective We reviewed the literature on the association between pre-pregnancy multimorbidity (co-occurrence of two or more chronic conditions) and adverse maternal outcomes in pregnancy and postpartum. Data sources Medline, EMBASE, and CINAHL were searched from inception to September, 2021. Study selection Observational studies were eligible if they reported on the association between ≥ 2 co-occurring chronic conditions diagnosed before conception and any adverse maternal outcome in pregnancy or within 365 days of childbirth, had a comparison group, were peer-reviewed, and were written in English. Data extraction and synthesis Two reviewers used standardized instruments to extract data and rate study quality and the certainty of evidence. A narrative synthesis was performed. Results Of 6,381 studies retrieved, seven met our criteria. There were two prospective cohort studies, two retrospective cohort studies, and 3 cross-sectional studies, conducted in the United States (n=6) and Canada (n=1), and ranging in size from n=3,110 to n=57,326,681. Studies showed a dose-response relation between the number of co-occurring chronic conditions and risk of adverse maternal outcomes, including severe maternal morbidity or mortality, hypertensive disorders of pregnancy, and acute health care use in the perinatal period. Study quality was rated as strong (n=1), moderate (n=4), or weak (n=2), and the certainty of evidence was very low to moderate. Conclusion Given the increasing prevalence of chronic disease risk factors such as advanced maternal age and obesity, more research is needed to understand the impact of pre-pregnancy multimorbidity on maternal health so that appropriate preconception and perinatal supports can be developed.https://doi.org/10.1177/26335565221096584
spellingShingle Hilary K Brown
Anthony McKnight
Amira Aker
Association between pre-pregnancy multimorbidity and adverse maternal outcomes: A systematic review
Journal of Multimorbidity and Comorbidity
title Association between pre-pregnancy multimorbidity and adverse maternal outcomes: A systematic review
title_full Association between pre-pregnancy multimorbidity and adverse maternal outcomes: A systematic review
title_fullStr Association between pre-pregnancy multimorbidity and adverse maternal outcomes: A systematic review
title_full_unstemmed Association between pre-pregnancy multimorbidity and adverse maternal outcomes: A systematic review
title_short Association between pre-pregnancy multimorbidity and adverse maternal outcomes: A systematic review
title_sort association between pre pregnancy multimorbidity and adverse maternal outcomes a systematic review
url https://doi.org/10.1177/26335565221096584
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