de Bruin, Odette; Engjom, Hilde; Vousden, Nicola; Ramakrishnan, Rema; Aabakke, Anna J.M.; Äyräs, Outi; Donati, Serena; Jónasdóttir, Eva; Knight, Marian; Overtoom, Evelien M.; Salvatore, Michele A.; Sturkenboom, Miriam C.J.M.; Svanvik, Teresia; Varpula, Reetta; Vercoutere, An; Bloemenkamp, Kitty W.M.
(2023)
Introduction: The majority of data on COVID-19 in pregnancy are not from sound population-based active surveillance systems. Material and methods: We conducted a multi-national study of population-based national or regional prospective cohorts using ...