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Am J Perinatol 1990; 7(2): 157-159
DOI: 10.1055/s-2007-999470
ORIGINAL ARTICLE

© 1990 by Thieme Medical Publishers, Inc.

Umbilical Cord Blood Gases for Term Healthy Newborns

Joseph M. Miller Jr. , Marirose Bernard, Haywood L. Brown, Jerry J. St. Pierre, Harvey A. Gabert
  • Departments of Obstetrics and Gynecology at Louisiana State University and Southern Baptist Hospital, New Orleans, Louisiana
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Publication History

Publication Date:
04 March 2008 (online)

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ABSTRACT

Examination of paired umbilical arterial and umbilical venous blood gases for 147 term, healthy newborns revealed a strong correlation of pH, bicarbonate, and base excess with the 1-minute Apgar score. Although significantly different from each other, a strong correlation existed between the gas measurements of the two vessels. The lower limit of pH for the umbilical artery was 7.12 and for the vein, 7.25. The arterial-venous difference for bicarbonate but not pH, oxygen or carbon dioxide tension, or base excess was correlated with the 1-minute Apgar score.

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