The association of COVID-19 infection in pregnancy with preterm birth: A retrospective cohort study in California.

ABSTRACT:

Introduction

Our understanding of the association between coronavirus disease 19 (COVID-19) and preterm or early term birth among racially and ethnically diverse populations and people with chronic medical conditions is limited.

Methods

We determined the association between COVID-19 and preterm (PTB) birth among live births documented by California Vital Statistics birth certificates between July 2020 and January 2021 (n=240,147). We used best obstetric estimate of gestational age to classify births as very preterm (VPTB, <32 weeks), PTB (< 37 weeks), early term (37 and 38 weeks), and term (39-44 weeks), as each confer independent risks to infant health and development. Separately, we calculated the joint effects of COVID-19 diagnosis, hypertension, diabetes, and obesity on

SUBMITTER: Karasek D 

PROVIDER: S-EPMC8497178 | biostudies-literature | 2021 Oct

REPOSITORIES: biostudies-literature