Jun 1, 1975

Study of fetal heart rate in deliveries complicated by fetal acidosis

Journal de gynécologie, obstétrique et biologie de la reproduction
G PontonnierJ Rolland


A study has been carried out on the parameters of the graph of the fetal heart rate (the basal rate and dips) in 44 cases of acute fetal distress with a pH lower than 7.2 in the blood and in 30 normal deliveries. The statistical analysis confirms that there is a significant rise in the number of heart rate abnormalities such as persistent bradycardia or persistent tachycardia and with dips during deliveries with fetal acidosis. The frequency of these abnormalities increases with the degree of acidosis. Sometimes the abnormalities in the fetal heart rate precede the appearance of the acidosis. All the same the discovery of these abnormalities does not by itself make a precise diagnosis of fetal distress because we do find these abnormalities in a certain number of cases even in normal deliveries. Only measuring fetal pH at a definite time can establish the diagnosis of fetal distress and the severity of the condition.

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Mentioned in this Paper

Fetal Distress
Fetal Heart
Chromosome Aberrations
Fetal Acidosis
Amniotic Fluid Index
Metabolic Acidosis
Hydrogen-Ion Concentration

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