• Brittany A Matenchuk, Rhonda J Rosychuk, Brian H Rowe, Amy Metcalfe, Radha Chari, Susan Crawford, Susan Jelinski, Jesus Serrano-Lomelin, and Maria B Ospina.
• Department of Obstetrics & Gynecology, Faculty of Medicine & Dentistry, University of Alberta, Edmonton, Alberta, Canada.
• Ann Emerg Med. 2023 Feb 1; 81 (2): 197208197-208.

Study ObjectivePregnant women often seek care in an emergency department (ED). We sought to describe the frequency, characteristics, and factors associated with increased ED visits during pregnancy.MethodsWe conducted a retrospective cohort study using administrative health data of all pregnancies resulting in a live birth at 20 or more weeks of gestation in Alberta, Canada, from 2011 to 2017. The primary outcome was the occurrence of any ED visit during pregnancy. The secondary outcomes were ED visit characteristics and discharge disposition. We calculated rate ratios (RRs) and 95% confidence intervals (CIs) for associations between sociodemographic and clinical factors and increased ED visits during pregnancy using random-effect negative binomial regression adjusting for multiple pregnancies per person during the study period.ResultsWe included 255,929 pregnancies from 193,965 women. Of all the pregnancy episodes followed, 37.3% (95% CI 37.1 to 37.5) had at least 1 ED visit, resulting in a total of 226,811 ED visits and an overall ED visit rate of 94.0 visits per 100 pregnancies (95% CI 93.6 to 94.3). Most visits were nonobstetric (46.4%) and resulted in ED discharge (85.3%). Increased ED visits were associated with living in remote (RR 6.9; 95 %CI 6.7 to 7.1) or rural (RR 3.4; 95% CI 3.4 to 3.5) areas, younger age (RR 1.9; 95% CI 1.8 to 2.0), intensive prenatal care (RR 1.5; 95% CI 1.5 to 1.5), major/moderate health conditions (RR 1.6; 95% CI 1.6 to 1.6), mental health conditions (RR 1.6; 95% CI 1.5 to 1.6), and high antepartum risk score (RR 1.1; 95% CI 1.1 to 1.1).ConclusionApproximately 1 in 3 women in our sample visited the ED during pregnancy. A higher number of visits occurred in those with rural/remote residence, younger maternal age, and concomitant health conditions.Copyright © 2022 American College of Emergency Physicians. Published by Elsevier Inc. All rights reserved.

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