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CONTINUOUS MEASUREMENT OF TISSUE pH IN THE HUMAN FETAL SCALP

  1. C. Wood Professor and Chairman,
  2. I. Anderson Senior Technologist,
  3. S. Reddy Registrar,
  4. P. Shekleton egistrar

Article first published online: 23 AUG 2005

DOI: 10.1111/j.1471-0528.1978.tb14945.x

Issue

BJOG: An International Journal of Obstetrics & Gynaecology

BJOG: An International Journal of Obstetrics & Gynaecology

Volume 85, Issue 9, pages 668–671, September 1978

Additional Information

How to Cite

Wood, C., Anderson, I., Reddy, S. and Shekleton, P. (1978), CONTINUOUS MEASUREMENT OF TISSUE pH IN THE HUMAN FETAL SCALP. BJOG: An International Journal of Obstetrics & Gynaecology, 85: 668–671. doi: 10.1111/j.1471-0528.1978.tb14945.x

Author Information

  1. Department of Obstetrics and Gynaecology, Monash University Queen Victoria Medical Centre, Melbourne, Australia 3000

Publication History

  1. Issue published online: 23 AUG 2005
  2. Article first published online: 23 AUG 2005

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Summary

A method for continuous measurement of scalp tissue pH is described. The tissue pH probe was found to be robust and values for tissue pH were close to those for scalp blood pH. Combining the pH and fetal heart rate (FHR) electrodes in the one mechanical assembly facilitated application to the fetal scalp in early labour but the combined assembly electrode was found to have some disadvantages and manufacture of a separate tissue pH electrode is recommended. Continuous monitoring of scalp tissue pH enables closer study of the physiological basis of changes in fetal acid base status and should prove useful to the obstetrician in management of high risk pregnancies during labour.

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