Abnormal Antepartum Fetal Heart Rate in High Risk Pregnancies with Good Fetal Outcome

Eliahu Sadovsky*, Ela Reifen, Ram Reifen, Gonen Ohel

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


A consecutive study of 698 pregnant women for the incidence of abnormal fetal heart rate (FHR) in 2 groups of high risk pregnancy (HRP) with good outcome is presented. Group A consisted of 480 cases, with mild high risk pregnancies in whom a low rate of fetal distress was expected, and group B consisted of 218 cases, of a more severe type of high risk pregnancies in whom a higher rate of fetal distress was expected due to possible fetoplacental unit insult. Both groups combined had a 16.8% rate of pathological FHR. In group A the rate of pathological FHR was 12.3% whereas in group B it was 26.6%. This difference was statistically significant. The most common FHR pathology in group A was loss of variability (36.5%). In group B the most common pathology was FHR decelerations (37%). The demonstration of higher rates of abnormal FHR record in the more severe group of HRP, despite the fact that in all cases the outcome was good, may suggest that a pathological pattern even if sporadic, may represent an early sign of fetal distress which cannot be appreciated by using the conventional criteria of outcome in pregnancy.

Original languageAmerican English
Pages (from-to)267-273
Number of pages7
JournalJournal of Obstetrics and Gynaecology Research
Issue number3
StatePublished - Sep 1988
Externally publishedYes


  • Key words:
  • abnormal fetal heart rate
  • high risk pregnancy
  • pregnancy


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