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We used newly developed transcutaneous electrodes to measure continuously the partial pressure of oxygen (tcpO2) and carbon dioxide (tcpCO2) in 34 fetuses during labor, having simultaneous cardiotocography (CTG) and temperature measurements. We observed that tcpO2 and tcpCO2 varied with contractions during the first and second stages of labor. In some cases changes in the transcutaneous values corresponded well with changes in the CTG, we also detected changes in the fetal gas metabolism that were not noticeable on the cardiotocographic tracing. We defined the characteristic of the tcpO2 and tcpCO2 during the second stage of labor and found that the tcpO2 decreased and the tcpCO2 rose at this time.
S Schmidt, and
K Langner, and
J W Dudenhausen, and
E Saling
January 1994,
Acta dermato-venereologica. Supplementum,
S Schmidt, and
K Langner, and
J W Dudenhausen, and
E Saling
January 1989,
Journal of perinatal medicine,
S Schmidt, and
K Langner, and
J W Dudenhausen, and
E Saling
December 1993,
European journal of obstetrics, gynecology, and reproductive biology,
S Schmidt, and
K Langner, and
J W Dudenhausen, and
E Saling
January 1977,
Journal of perinatal medicine,
S Schmidt, and
K Langner, and
J W Dudenhausen, and
E Saling
December 1985,
Agressologie: revue internationale de physio-biologie et de pharmacologie appliquees aux effets de l'agression,
S Schmidt, and
K Langner, and
J W Dudenhausen, and
E Saling
January 1979,
Birth defects original article series,
S Schmidt, and
K Langner, and
J W Dudenhausen, and
E Saling
May 1984,
European journal of obstetrics, gynecology, and reproductive biology,
S Schmidt, and
K Langner, and
J W Dudenhausen, and
E Saling
January 1983,
Zentralblatt fur Gynakologie,
S Schmidt, and
K Langner, and
J W Dudenhausen, and
E Saling
December 1979,
Lancet (London, England),
S Schmidt, and
K Langner, and
J W Dudenhausen, and
E Saling
January 1987,
Advances in experimental medicine and biology,
