COVID-19(35) SARS-CoV-2(27) Pregnancy(19) coronavirus(9) Infection(8) pregnancy.(8) Asymptomatic(7) Neonatal(6) outcome(5) lymphocyte(5) pregnant women(5) Neonate(5) morbidity(5) COVID-19 infection(5) Childbirth(5) recommendations(4) LDH(4) Hepatitis B virus(4) low molecular weight(4) Elimination(4) carbapenem(4) erythrocyte(4) analyzed(4) contribute(4) epidemiological(4) change(4) Transmission(4) preterm delivery(4) lactate dehydrogenase(4) leukopenia(4)