Early in the pandemic, maternal-fetal health specialists had to confront the fact that there were no easy answers they could give their patients regarding how COVID-19 might affect their pregnancies. Dani Dumitriu, a physician-scientist affiliated with Columbia University in New York, recalls that the university’s Irving Medical Center was the first hospital in the country to admit a pregnant woman with COVID-19, and as a result, “we at Columbia felt a great responsibility, being that we were the first epicenter, to generate knowledge very rapidly.”
Early questions centered around very basic aspects of the disease, including whether pregnancy increases the risk of getting sicker or dying from the virus and if it was possible to transmit the virus to a fetus in utero or to an infant through breastfeeding. When parents-to-be first began showing up to the hospital, some of them critically ill, “there was really only a little bit ...






















