COVID‐19 infection in pregnant women: Review of maternal and fetal outcomes

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Abstract
Pregnant women, their fetuses, and newborns are likely to represent a high‐risk population during the current coronavirus disease 2019 (COVID‐19) pandemic caused by severe acute respiratory syndrome coronavirus‐2 (SARS‐CoV‐2). Literature on the outcomes of COVID‐19 infections during pregnancy is slowly building up. The aim of the present review was to gather evidence from relevant articles published in English from January to August 2020 in Medline and Google Scholar. The review revealed that pregnant women who become COVID‐19‐positive are usually either asymptomatic or mild‐to‐moderately symptomatic, similar to non‐pregnant women. Pneumonia is one of the most common outcomes in pregnant women with COVID‐19. However, it cannot be conclusively said that SARS‐CoV‐2 infection increases the risk of maternal, fetal, and neonatal complications. Pregnant women with COVID‐19 with co‐morbidities have increased risks of complications: there are regional variations in the rates of adverse outcomes reported. Though uncommon, the review shows that vertical transmission is possible. Additionally, the third trimester seems to be the most vulnerable period of infection. This aspect needs to be researched further to activate surveillance programs at the end of second trimester. Overall, it is necessary to monitor pregnant women before and after delivery, and their infants, during this pandemic.

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