Reduction in preterm birth among COVID-19-vaccinated pregnant individuals in the United States.

ABSTRACT:

Background

Most studies investigating preterm birth and COVID-19 vaccination have suggested no difference in preterm birth rates between vaccinated and unvaccinated pregnant individuals; however, 1 recent study suggested a protective effect of COVID-19 vaccination on preterm birth rates in Australia.

Objective

This study aimed to determine whether a similar association and protective effect of COVID-19 vaccination on preterm birth would be found in our multistate, US cohort.

Study design

A cohort study was conducted using the Vizient Clinical Database, which included data from 192 hospitals in 38 states. Pregnant individuals who delivered between January 2021 and April 2022 were included. Propensity score matching was used to match a "treated" group of pregnant indivi

SUBMITTER: Darwin KC 

PROVIDER: S-EPMC10592173 | biostudies-literature | 2023 Oct

REPOSITORIES: biostudies-literature