COVID-19(25) Pregnancy(24) Patient(17) evaluate(15) outcome(15) Neonatal(13) SARS-CoV-2(12) Transmission(11) Blood(11) Infection(11) disease(9) with COVID-19(9) vertical transmission(9) adverse event(8) Maternal(8) were recorded(8) patients(8) coronavirus disease(8) pregnant women(8) Symptom(8) pregnancy.(8) SARS-COV-2 infection(8) Stillbirth(7) Pneumonia(7) Vertical transmission.(7) variant(7) coronavirus(7) acute respiratory syndrome(7) severe acute respiratory syndrome Coronavirus(7) acute respiratory syndrome coronavirus 2(7)