Influence of Occiput Posterior Position on the Fetal Heart Rate Pattern

Fetal heart rate (FHR) recordings of 138 deliveries with the fetus in the occiput posterior position (OPP) are compared with recordings of 138 control fetuses in the occiput anterior position (OAP). The 2 groups are comparable in maternal age, parity, duration of first stage of labor, frequency of n...

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Veröffentlicht in:Obstetrics and gynecology (New York. 1953) 1980-03, Vol.55 (3), p.301-304
Hauptverfasser: INGEMARSSON, EVA, INGEMARSSON, INGEMAR, SOLUM, THORE, WESTGREN, MAGNUS
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container_title Obstetrics and gynecology (New York. 1953)
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creator INGEMARSSON, EVA
INGEMARSSON, INGEMAR
SOLUM, THORE
WESTGREN, MAGNUS
description Fetal heart rate (FHR) recordings of 138 deliveries with the fetus in the occiput posterior position (OPP) are compared with recordings of 138 control fetuses in the occiput anterior position (OAP). The 2 groups are comparable in maternal age, parity, duration of first stage of labor, frequency of nerve blocks for analgesia, and incidence of cord complications. Variable decelerations were significantly more frequent and more pronounced in the OPP group than in the controls. The number of newborns with low Apgar scores was similar in both groups, despite a large number of pronounced decelerations in the OPP group. Possible mechanisms for the origin of variable decelerations in the occiput posterior position are discussed.
doi_str_mv 10.1097/00006250-198003000-00006
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source MEDLINE; Journals@Ovid Complete
subjects Female
Fetal Heart - physiology
Fetal Monitoring
Heart Rate
Humans
Infant, Newborn
Labor Presentation
Pregnancy
title Influence of Occiput Posterior Position on the Fetal Heart Rate Pattern
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