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COVID-19 is a respiratory disease caused by Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The effects of this infection on fetal development and whether there is vertical transmission are currently unknown. We present two cases of pregnant women with COVID-19 infection during the first and second trimester of gestation in which a PCR study of SARS-CoV-2 in amniotic fluid extracted by amniocentesis is performed to try to determine if there is vertical transmission. In both cases, the PCR result was negative. This fact could support the absence of vertical transmission when the infection occurs in these quarters. It would be advisable to carry out more extensive studies to be able to make this statement safely.

Study of amniotic fluid in pregnant women infected with SARS-CoV-2 in first and second trimester. Is there evidence of vertical transmission?