The role of confounding in the association between pregnancy complications and subsequent preterm birth: a cohort study.

Published in: BJOG : an international journal of obstetrics and gynaecology (2021)

First pregnancy complications are associated with a higher risk of subsequent preterm birth, with evidence strongest for pregnancies complicated by pre-eclampsia.

Keyphrases

preterm birth
low birth weight
gestational age
risk factors
pregnant women
preterm infants