Associations between interpregnancy interval and preterm birth by previous preterm birth status in four high-income countries: a cohort study.

M L MarinovichA K ReganM GisslerM C MagnusS E HåbergJ A MayoG M ShawJ BellN NassarS BallAmanuel Tesfay GebremedhinC MarstonN de KlerkAna Pilar BetranA M PadulaG Pereira

Published in: BJOG : an international journal of obstetrics and gynaecology (2020)

Short versus long interpregnancy intervals associated with higher ORs for preterm birth (PTB) after a previous PTB.

Keyphrases

preterm birth
low birth weight
gestational age
pregnancy outcomes
physical activity
pregnant women