SARS‐CoV‐2 and pregnancy outcomes under universal and non‐universal testing in Sweden: register‐based nationwide cohort study
ObjectiveTo assess associations of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection and pregnancy outcomes considering testing policy and test-positivity-to-delivery interval.DesignNationwide cohort study.SettingSweden.PopulationFrom the Pregnancy-Register we identified 88 593 singleton births, 11 March 2020–31 January 2021, linked to data on SARS-CoV-2-positivity from the Pu
