Coronavirus disease 2019 (COVID-19) manifestations during pregnancy in all three trimesters: A case series - Elham Askary; Tahereh Poordast; Zahra Shiravani; Mohammad Ashraf Ali; Atefeh Hashemi; Razieh Naseri; Shaghayegh Moradialamdarloo; Zinat Karimi; Elham Izanloo; Fatemeh Sadat Najib (Shahid Sadoughi University of Medical Sciences, 2021)