Exploration of the preterm birth risk-related heat event thresholds for pregnant women: a population-based cohort study in China.

ABSTRACT:

Background

Heat events increase the risk of preterm birth (PTB), and identifying the risk-related event thresholds contributes to developing early warning system for pregnant women and guiding their public health response. However, the event thresholds that cause the risk remain unclear. We aimed to investigate the effects of heat events defined with different intensities and durations on PTB throughout pregnancy, and to determine thresholds for the high-risk heat events.

Methods

Using a population-based birth cohort data, we included 210,798 singleton live births in eight provinces in China during 2014-2018. Daily meteorological variables and inverse distance weighted methods were used to estimate exposures at a resolution of 1 km × 1 km. A series of cut off temperature int

SUBMITTER: Ren M 

PROVIDER: S-EPMC10485674 | biostudies-literature | 2023 Aug

REPOSITORIES: biostudies-literature