Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
COVID-19 vaccination was associated with a lower risk of maternal SARS-CoV-2 infection. There was no association between COVID-19 vaccination during pregnancy and cesarean delivery, postpartum hemorrhage, and chorioamnionitis. ORs were calculated using random-effects model.
