Abstract
In Chile, the COVID-19 pandemic, a disease induced by infection with SARS-CoV-2, has caused more than 25,000 deaths. More than 370,000 women between 15 and 44 years have been detected with the infection. The greater vulnerability of pregnant women has been reported, mainly related to a higher risk for severe or critical COVID-19, with an increased incidence of adverse obstetrics and perinatal outcomes. It is relevant to consider that a high percentage of pregnant women infected with SARS-CoV-2 are asymptomatic for COVID-19, which indicates that specific effects of the virus during pregnancy may not be evident from clinical observation. The presence of SARS-CoV-2 in the placenta has been demonstrated, associating placental infection with vascular alterations that could affect utero-placental flow. On the other hand, vertical transmission to the fetus is rare but feasible. This manuscript summarizes the evidence available to date on the main effects of COVID-19 in pregnancy, emphasizing studies about the impact of SARS-CoV-2 in the placenta. This review aims to promote this issue, highlighting that several questions need to be addressed, considering the effect this pandemic could have on gestational health. © 2021 Sociedad Chilena de Obstetricia y Ginecologia.
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