ART4 and COVID-19: A retrospective cohort study involving 17 hospitals in the United States reported that hypertension comorbid tended to be higher in pregnant women with COVID-19 than in the non-COVID-19 group, 6.9% versus 5.5%.[24] The entry of SARS-CoV-2 into cells is a complicated process that involves the binding of glycoprotein S viral to the ACE2 receptor host.