Comorbidity, poverty and social vulnerability as risk factors for mortality in pregnant women with confirmed SARS-CoV-2 infection: analysis of 13062 positive pregnancies including 176 maternal deaths in Mexico

Torres-Torres J, Martinez-Portilla RJ, Espino-Y-Sosa S, Estrada-Gutierrez G, Solis-Paredes JM, Villafan-Bernal JR, Medina-Jimenez V, Rodriguez-Morales AJ, Rojas-Zepeda L, Poon LC. Comorbidity, poverty and social vulnerability as risk factors for mortality in pregnant women with confirmed SARS-CoV-2 infection: analysis of 13062 positive pregnancies including 176 maternal deaths in Mexico. Ultrasound Obstet Gynecol. 2022; 59(1): 76-82.