Perinatal outcomes of pregnancies affected by COVID-19 in Singapore: A cohort study

Abstract

Pregnant women and infants were not spared from the coronavirus disease 2019 (COVID-19) after it was first identified in December 2019.1,2 In the beginning of the pandemic, a lack of data on transmission risks and outcomes of pregnancies affected by SARS-CoV-2, impacted perinatal clinical decision-making.1,3 We report the perinatal outcomes of pregnancies affected by COVID-19 in Singapore, covering the period from initial virus identification to the emergence of the Omicron variant in late 2021. We investigated the impact of COVID-19 vaccination and the Omicron variant on the perinatal outcomes of infected pregnant women and their newborns.