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Continuous recording of fetal pH during labor
58 fetuses were monitored during labor, recording simultaneously F.H.R. U.P. and subcutaneous pH using an electrode by Stamm. The values of subcutaneous pH were correlated with 98 samples of capillary blood and 46 of umbilical vein blood. The correlation indices were 0.649 and 0.39, respectively. A selection of the 44 good quality records correlated with the corresponding 68 samples of capillary blood, gave an correlation coefficient of 0.95. The possible clinical use of this technique to monitor the fetus during labor is presently under discussion.
58 fetuses were monitored during labor, recording simultaneously F.H.R. U.P. and subcutaneous pH using an electrode by Stamm. The values of subcutaneous pH were correlated with 98 samples of capillary blood and 46 of umbilical vein blood. The correlation indices were 0.649 and 0.39, respectively. A selection of the 44 good quality records correlated with the corresponding 68 samples of capillary blood, gave an correlation coefficient of 0.95. The possible clinical use of this technique to monitor the fetus during labor is presently under discussion.