The impact of chronic hypertension and pregestational diabetes on pregnancy outcomes

Keenan E. Yanit, Jonathan M. Snowden, Yvonne W. Cheng, Aaron B. Caughey

Research output: Contribution to journalArticle

43 Scopus citations

Abstract

Objective: The objective of the study was to examine the impact of chronic hypertension and pregestational diabetes on pregnancy outcomes. Study Design: This was a retrospective cohort study of 532,088 women undergoing singleton births in California in 2006. Women were categorized into chronic hypertension, pregestational diabetes, both, or neither. Pregnancy outcomes were compared using the χ2 test and multivariable logistic regression to control for potential confounders. Results: We identified differences in perinatal outcomes between the groups. The rate of preterm birth in women with both conditions was 35.5% versus 25.5% in women with chronic hypertension versus 19.4% in women with pregestational diabetes (P <.001). The rate of small for gestational age was 18.2% in women with both versus 18.3% in women with chronic hypertension versus 9.7% in women with pregestational diabetes (P <.001). Conclusion: The impact of having both chronic hypertension and pregestational diabetes in pregnancy varies, depending on the outcome examined. Although some had an additive effect (eg, stillbirth), others did not (eg, preeclampsia).

Original languageEnglish (US)
Pages (from-to)333.e1-333.e6
JournalAmerican journal of obstetrics and gynecology
Volume207
Issue number4
DOIs
StatePublished - Oct 2012

Keywords

  • chronic hypertension
  • perinatal outcomes
  • pregestational diabetes

ASJC Scopus subject areas

  • Obstetrics and Gynecology

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