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Am J Reprod Immunol. 2014 Sep;72(3):326-36. doi: 10.1111/aji.12265. Epub 2014 May 8.

Longitudinal profiling of inflammatory cytokines and C-reactive protein during uncomplicated and preterm pregnancy.

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  • 1Department of Environmental Health Sciences, University of Michigan School of Public Health, Ann Arbor, MI, USA.

Abstract

PROBLEM:

Previous studies have investigated the utility of inflammation markers as predictors of preterm birth, but none have compared trends in levels between uncomplicated and preterm pregnancy.

METHOD OF STUDY:

We explored longitudinal changes in plasma cytokines, including IL-1β, IL-6, IL-10, and TNF-α, as well as C-reactive protein in pregnant women from a nested case-control study.

RESULTS:

IL-6 was associated with increased odds of spontaneous preterm birth, defined by presentation of spontaneous preterm labor and/or preterm premature rupture of the membranes. Associations were strongest later in pregnancy. IL-10 was associated with increased odds of placentally mediated preterm birth, defined by presentation with preeclampsia or intrauterine growth restriction, and odds ratios were also highest near the end of pregnancy.

CONCLUSION:

Maternal inflammation markers were associated with increased risk of preterm birth, and relationships differed by etiology of preterm delivery and gestational age at sample collection.

© 2014 John Wiley & Sons A/S. Published by John Wiley & Sons Ltd.

KEYWORDS:

Biomarkers; CRP; inflammation; premature birth; repeated measures

PMID:
24807462
[PubMed - in process]
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