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What are the novel findings of this work? This study provides estimates of the risk of coronavirus disease 2019 (COVID-19)-related complications in pregnant compared to non-pregnant women, after propensity score matching based on background demographic and medical factors. Pregnancy emerged as a risk factor for death (odds ratio (OR), 1.84; 95% CI, 1.26-2.69), pneumonia (OR, 1.86; 95% CI, 1.60-2.16) and intensive care unit (ICU) admission (OR, 1.86; 95% CI, 1.41-2.45). What are the clinical implications of this work? Pregnancy per se is a risk factor for several COVID-19-related complications when compared to non-pregnant women. Economic, social, health and political interventions aimed at managing SARS-CoV-2 infection in pregnant women are likely to reduce adverse outcomes, such as death, ICU admission and pneumonia.
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