Ethnic differences in preterm birth in Southwest China, 2014-2018: A population-based observational study.

ABSTRACT:

Objective

Preterm birth is a major healthcare problem and has been rising gradually in the past three decades in China. Yet the ethnic differences in the rates and distributions of preterm birth remain largely unknown in China. This study used data from Yunnan, a multiethnic province, to explore the differences in preterm birth across ethnicities.

Methods

A population-based observational study was conducted based on data from the National Free Preconception Health Examination Project in rural Yunnan from Jan 1, 2014 to Dec 31, 2018. Pregnancies with at least one livebirth were included in this study. We estimated the rates and 95% confidence intervals (CIs) of overall preterm birth (born < 37 weeks' gestation), moderate to late preterm birth (born between 32 and <37 weeks' g

SUBMITTER: Cao G 

PROVIDER: S-EPMC9386050 | biostudies-literature | 2022

REPOSITORIES: biostudies-literature