PMID: 480Jan 1, 1975

Recognition and significance of maternogenic fetal acidosis during intensive monitoring of labor

Journal of Perinatal Medicine
G D RoversiM Spennacchio

Abstract

FHR monitoring and microanalysis of fetal blood are mutually complementary procedures, and optimal knowledge of the fetal state is achieved by making use of both, the former for the preliminary screening of all cases at risk and the latter for the purpose of deciding on obstetric management where pathological changes are evident in the FHR. The major difficulty in obtaining a precise value for the fetal acid-base balance lies in the occurence of "falsely abnormal" cases, i.e. cases in which the fetal pH falls during labor but the clinical condition at birth is good (APGAR greater than or equal to 7). In our own series the incidence of such cases among fetuses at risk was 11.2% (Tab. I). In the majority of these cases the fetal acidosis is thought to be a result of increased metabolic acidosis in the mother (maternogenic fetal metabolic acidosis). The importance of the maternogenic fetal acidosis during labor lies in the fact that unless it is recognised, rapid extraction of the fetus will appear necessary on clinical grounds, although it is in fact unnecessary, since this form of acidosis has no adverse effect on the fetus. Various parameters have been proposed for the differential diagnosis of the maternogenic fetal acidosis. ...Continue Reading

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Sep 1, 1989·American Journal of Obstetrics and Gynecology·J A ThorpR K Creasy
Sep 1, 1988·American Journal of Obstetrics and Gynecology·R K SilverR Depp
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Related Concepts

Anion Gap
Metabolic Acidosis
Apgar Score
Bradycardia
Electrocardiographic Recorders
Fetal Distress
Fetal Heart
Pulse Rate
Eryhem
Hydrogen-Ion Concentration

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