STUDY DESIGN: We describe here a multi institution adjudicated case series from Iran which includes 9 pregnant women diagnosed with severe COVID 19 disease during their latter 2 nd or 3 rd trimester. All 9 pregnant women were diagnosed with SARS CoV 2 infection by rRT PCR nucleic acid testing NAT . Outcomes of these women were compared to their familial household members with exposure to the affected patient on or after their symptom onset. ...