Impact of gestational hypertension and pre-eclampsia on preterm birth in China: a large prospective cohort study.

ABSTRACT:

Objective

To investigate the impact of gestational hypertension and pre-eclampsia on preterm birth.

Design

The data were collected from the China-US Collaborative Project for Neural Tube Defect Prevention; this was a large population-based cohort study.

Setting and participants

We selected participants registered in two southern provinces, for whom we had exact information on gestational blood pressure and pregnancy outcomes, and who were not affected by chronic hypertension. In total, 200 103 participants were recruited from 1993 to 1995.

Outcome measures

Preterm birth was defined as a singleton pregnancy and birth before 37 gestational weeks.

Results

The incidences of gestational hypertension and pre-eclampsia were 5.47% and 5.44%, respectively, for wo

SUBMITTER: An H 

PROVIDER: S-EPMC9516080 | biostudies-literature | 2022 Sep

REPOSITORIES: biostudies-literature