The risk of intrauterine fetal death in the small-for-gestational-age fetus

Rachel A. Pilliod, Yvonne W. Cheng, Jonathan M. Snowden, Amy E. Doss, Aaron B. Caughey

Research output: Contribution to journalArticle

84 Scopus citations

Abstract

Objective: We sought to evaluate the risk of intrauterine fetal death (IUFD) in small-for-gestational-age (SGA) fetuses. Study Design: We analyzed a retrospective cohort of all births in the United States in 2005, as recorded in a national database. We calculated the risk of IUFD within 3 sets of SGA threshold categories as well as within non-SGA pregnancies using the number of at-risk fetuses as the denominator. Results: The risk of IUFD increased with gestational age and was inversely proportional to percentile of birthweight for gestational age. The risk for IUFD in those <3rd percentile was as high as 58.0 IUFDs per 10,000 at-risk fetuses, 43.9 for <5th percentile, and 26.3 for <10th percentile compared to 5.1 for non-SGA gestations. Conclusion: There is an increase in the risk of IUFD in SGA fetuses compared to non-SGA fetuses at all gestational ages with the greatest risk demonstrated in the lowest percentile cohort evaluated.

Original languageEnglish (US)
Pages (from-to)318.e1-318.e6
JournalAmerican journal of obstetrics and gynecology
Volume207
Issue number4
DOIs
StatePublished - Oct 2012

Keywords

  • birthweight
  • fetal death
  • small for gestational age
  • stillbirth

ASJC Scopus subject areas

  • Obstetrics and Gynecology

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