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Journal of Pregnancy
Volume 2015, Article ID 835613, 8 pages
http://dx.doi.org/10.1155/2015/835613
Research Article

Association between Prenatal One-Hour Glucose Challenge Test Values and Delivery Mode in Nondiabetic, Pregnant Black Women

1Department of Public Health Sciences, Henry Ford Hospital, Detroit, MI 48202, USA
2College of Nursing, Wayne State University, Detroit, MI 48202, USA
3Department of Endocrinology, Diabetes, and Bone and Mineral Disorders, Henry Ford Health System, Detroit, MI 48202, USA

Received 27 February 2015; Revised 2 May 2015; Accepted 4 May 2015

Academic Editor: Rosa Corcoy

Copyright © 2015 Jerel M. Ezell et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Objective. We examined the association between 1-hour glucose challenge test (GCT) values and risk of caesarean section. Study Design. A prospective cohort study recruited 203 pregnant Black women to participate. At ~28 weeks of gestation, participants underwent a routine 1-hour 50 g GCT to screen for gestational diabetes mellitus. Logistic regression was used to examine the association between 1-hour GCT value and delivery mode. Results. Of the 158 participants included, 53 (33.5%) delivered via C-section; the majority (; 54.7%) were nulliparous. Mean 1-hour GCT values were slightly, but not significantly, higher among women delivering via C-section; versus vaginally (107.8 ± 20.7 versus 102.4 ± 21.5 mg/dL, resp.; ). After stratifying by parity and adjusting for maternal age, previous C-section, and prepregnancy body mass index, 1-hour GCT value was significantly associated with increased risk of C-section among parous women (OR per 1 mg/dL increase in GCT value = 1.05; 95% CI OR: 1.00, 1.05; ). Conclusion. Even slightly elevated 1-hour 50 g GCT values may be associated with delivery mode among parous Black women.