A prospective cohort study of confirmed severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2) infection during pregnancy evaluating SARS‐CoV‐2 antibodies in maternal and umbilical cord blood and SARS‐CoV‐2 in vaginal swabs (original) (raw)

Acta Obstetricia et Gynecologica Scandinavica, 2021

Abstract

IntroductionEvidence about the consequences of severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2) infection in pregnancy is rapidly increasing; however, data on antibody response and risk of transmission during pregnancy and delivery are still limited. The aim of this study was to evaluate if SARS‐CoV‐2 is detectable in vaginal swabs and whether antibodies against SARS‐CoV‐2 are present in maternal and umbilical cord blood of pregnant women with confirmed SARS‐CoV‐2.Material and methodsA single‐unit prospective cohort study in Denmark including pregnant women with SARS‐CoV‐2 infection confirmed by a pharyngeal swab between August 20, 2020, and March 1, 2021, who gave birth during the same period. All patients admitted to the maternity ward and antepartum clinic were screened for SARS‐CoV‐2 infection. A maternal blood sample and vaginal swabs were collected at inclusion. If included antepartum, these samples were repeated intrapartum when an umbilical cord blood sample was ...

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