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. 2023 Jan 22;46(3):297–308. doi: 10.1007/s40264-022-01271-3

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Fig. 1 — Timing of modules for collection of key variables. B baseline module, C-VIPER COVID-19 Vaccines International Pregnancy Registry, COVID-19 coronavirus disease 2019, D delivery module, F follow-up modules during pregnancy, LMP last menstrual period, PIPER Pregistry International Pregnancy Exposure Registry, V Vaccination module; 3, 6, 9, 12: maternal and infant outcomes modules at 3, 6, 9, and 12 months of age