Interrupted time series analyses, with Prais-Winsten regression model, of maternal and perinatal health indicators during COVID-19 pandemic before and after the start of COVID-19 vaccination for pregnant women. Brazil, March 2020 to December 2022. Footnotes: The models are adjusted for seasonality. Interruption applied on July 2020 (when the Ministry of Health recommended the start of COVID-19 vaccination for pregnant women without comorbidities in Brazil). The sources are Brazilian Ministry of Health - Live Birth Information System (SINASC), Mortality Information System (SIM), Acute Respiratory Syndrome Surveillance System (SIVEP). Data extracted on 07/14/2023. Data for 2022 are preliminary, subject to change.