Preterm Birth Risk and Maternal Nativity, Ethnicity, and Race.

ABSTRACT:

Importance

Immigrant birthing people have lower rates of preterm birth compared with their US-born counterparts. This advantage and associated racial and ethnic disparities across the gestational age spectrum have not been examined nationally.

Objective

To examine associations of maternal nativity, ethnicity, and race with preterm birth.

Design, setting, and participants

This cohort study used birth certificates from the National Vital Statistics System to analyze in-hospital liveborn singleton births in the US between January 1, 2009, and December 31, 2018. Data were analyzed from January to June 2023.

Exposure

Mutually exclusive nativity, ethnicity, and race subgroups were constructed using nativity (defined as US-born or non-US-born), ethnicity (defined as H

SUBMITTER: Barreto A 

PROVIDER: S-EPMC10958237 | biostudies-literature | 2024 Mar

REPOSITORIES: biostudies-literature