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Am J Obstet Gynecol. 2012 Oct;207(4):318.e1-6. doi: 10.1016/j.ajog.2012.06.039.

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

Author information

  • 1Department of Obstetrics and Gynecology, Oregon Health and Science University, Portland, OR, USA. rpilliod@partners.org

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.

Copyright © 2012 Mosby, Inc. All rights reserved.

PMID:
23021697
[PubMed - indexed for MEDLINE]
PMCID:
PMC3724359
Free PMC Article
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