Importance: The effects of prenatal exposure to SARS-CoV-2 infection on child development throughout the first 2 years of life are unknown.
Objective: To evaluate whether prenatal exposure to SARS-CoV-2 infection was associated with child neurodevelopmental outcomes during the first 2 years of life.
Design, Setting, And Participants: This cohort study used data from the longitudinal, population-based pan-Canadian Pregnancy During the COVID-19 Pandemic cohort, which recruited participants from April 2020 to July 2022.