Association of COVID-19 Vaccination in Pregnancy With Adverse Peripartum Outcomes.

ABSTRACT:

Importance

There is limited comparative epidemiological evidence on outcomes associated with COVID-19 vaccination during pregnancy; monitoring pregnancy outcomes in large populations is required.

Objective

To evaluate peripartum outcomes following COVID-19 vaccination during pregnancy.

Design, setting, and participants

Population-based retrospective cohort study in Ontario, Canada, using a birth registry linked with the provincial COVID-19 immunization database. All births between December 14, 2020, and September 30, 2021, were included.

Exposures

COVID-19 vaccination during pregnancy, COVID-19 vaccination after pregnancy, and no vaccination.

Main outcomes and measures

Postpartum hemorrhage, chorioamnionitis, cesarean delivery (overall and emergency cesa

SUBMITTER: Fell DB 

PROVIDER: S-EPMC8949767 | biostudies-literature | 2022 Apr

REPOSITORIES: biostudies-literature