Perinatal outcomes in pregnant women with COVID-19 in Siberia and the Russian Far East

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Objective To assess the incidence and perinatal outcomes of COVID-19 in pregnant women in the Far Eastern and Siberian Federal Districts of Russian Federation over 10 months of a pandemic. Materials and methods This was secondary analysis of Public Data basis on 25 Dec 2020. Statistics included descriptive statistics, analysis of contingency tables, which assessed the value of χ 2, the achieved significance level (p). Results During the first year of the SARS-CoV-2 pandemic, 8485 cases of COVID-19 were registered in pregnant women in the Far Eastern Federal District and the Siberian Federal District, accounting for 5.9% of registered pregnant women and 1.71% of the total affected population. The morbidity rate in pregnant women was 3.02 times higher than in the general population: 5933.2 vs 1960.8 per 100 thousand population. 27.4% of mothers had asymptomatic disease; 52.7% – mild; 16.6% – moderate, 2.5% – severe, 0.5% – critical disease. The incidence of hospitalization in ICU of pregnant women was higher relative to the general population (3.57% vs 2.24%, p < .001), but the frequency of mechanical ventilation was lower (0.48% vs 1.05%, p < .001). Preterm delivery had 18.3% (p < .001 CS − 42.0%. The mortality rate in pregnant women was 0.14% vs 1.95% – in the general population (p < .001). Perinatal mortality was 37 cases (1.56%), of which there were 31 stillbirths (1.26%), and 6 (0.25%) cases of early neonatal mortality. 148 (6.2%) COVID-19(+) newborns were identified, despite anti-epidemic measures. Conclusion The incidence of COVID-19 in pregnant women in Siberia and the Far East is higher than in the general population, but the disease is characterized by a milder. Women with COVID-19 have a high rate of preterm birth and CS. 148 (6.2%) newborns isolated COVID-19.