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Am J Obstet Gynecol. 2000 Feb;182(2):364-9.

Risks of preeclampsia and adverse neonatal outcomes among women with pregestational diabetes mellitus. National Institute of Child Health and Human Development Network of Maternal-Fetal Medicine Units.

Author information

  • 1Department of Obstetrics and Gynecology, University of Tennessee, Memphis 38103, USA.

Abstract

OBJECTIVES:

This study was undertaken to determine the frequencies of preeclampsia and adverse neonatal outcomes among women with pregestational diabetes.

STUDY DESIGN:

This was a prospective observation of pregnancy outcomes among 462 women with pregestational diabetes mellitus (White classes B-F) and singleton pregnancies who were enrolled in a multicenter trial to compare low-dose aspirin with placebo for preeclampsia prevention. The main outcome measures were preeclampsia and neonatal outcomes.

RESULTS:

Among 462 women with pregestational diabetes, 92 (20%) had preeclampsia. Preeclampsia frequency rose significantly with increasing severity of diabetes according to White classification (class B, 11%; class C, 22%; class D, 21%; class R plus class F, 36%; P <.0001). Preeclampsia was also more common among women who had proteinuria at baseline (28% vs 18%; odds ratio, 1.75; 95% confidence interval, 1.02-3.01). Frequency of preterm delivery at <35 weeks' gestation rose greatly with increasing severity of diabetes (P =.0002). Women with proteinuria at baseline were significantly more likely to be delivered at <35 weeks' gestation (29% vs 13%; odds ratio, 2.6; 95% confidence interval, 1.5-4.6) and to have small-for-gestational-age infants (14% vs 3%; odds ratio, 5. 4; 95% confidence interval, 2.7-17.7), and they were less likely to have large-for-gestational-age infants (14% vs 40%; odds ratio, 0.2; 95% confidence interval, 0.1-0.5).

CONCLUSION:

Among women with pregestational diabetes mellitus, the frequency of preeclampsia rose with increasing severity of diabetes. Proteinuria early in pregnancy was associated with marked increases in adverse neonatal outcomes independent of preeclampsia development.

PMID:
10694338
[PubMed - indexed for MEDLINE]
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