Associations of COVID-19 lockdown with gestational length and preterm birth in China.

ABSTRACT:

Background

The effects of COVID-19 lockdown measures on maternal and fetal health remain unclear. We examined the associations of COVID-19 lockdown with gestational length and preterm birth (PTB) in a Chinese population.

Methods

We obtained medical records of 595,396 singleton live infants born between 2015 and 2020 in 5 cities in Guangdong Province, South China. The exposed group (N = 101,900) included women who experienced the COVID-19 Level I lockdown (1/23-2/24/2020) during pregnancy, while the unexposed group (N = 493,496) included women who were pregnant during the same calendar months in 2015-2019. Cumulative exposure was calculated based on days exposed to different levels of emergency responses with different weighting. Generalized linear regression models were appl

SUBMITTER: Dong M 

PROVIDER: S-EPMC8626761 | biostudies-literature | 2021 Nov

REPOSITORIES: biostudies-literature