The association between interdelivery interval and adverse perinatal outcomes in a diverse US population

L. M. Yee, Y. N. Truong, Aaron Caughey, Y. W. Cheng

Research output: Contribution to journalArticle

4 Scopus citations

Abstract

Objective:The objective of this study was to investigate the association between interdelivery interval (IDI) and subsequent perinatal outcomes in a large population-based cohort.Study Design:Retrospective cohort study of primiparous women with singleton gestations giving birth in the US in 2011 to 2012. IDI was defined as the time between last live birth and index live birth. IDI was categorized as 4 to 17 months, 18 to 36 months (referent), 37 to 60 months and >60 months. Statistical comparisons were made using chi-square tests and multivariable logistic regression models to control for confounding. Covariates included maternal age, prior preterm birth, prior cesarean and medical comorbidities.Results:Of the 1 964 523 women meeting study criteria, 9.0% had an IDI of 4 to 17 months, 39.7% 18 to 36 months, 26.8% 37 to 60 months and 24.5% >60 months. Short IDI was associated with preterm delivery (

Original languageEnglish (US)
JournalJournal of Perinatology
DOIs
StateAccepted/In press - Mar 31 2016

ASJC Scopus subject areas

  • Obstetrics and Gynecology
  • Pediatrics, Perinatology, and Child Health

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