Document Detail

Accelerations of the human fetal heart rate at 38 to 40 weeks' gestational age.
MedLine Citation:
PMID:  6691379     Owner:  NLM     Status:  MEDLINE    
In order to document the normal structure and pattern of fetal heart rate accelerations near term, we measured fetal heart rate and fetal movements for 24-hour observation intervals in 12 healthy pregnant women at 38 to 40 weeks' gestation. There were 34 accelerations per hour on the average with a mean amplitude of 22.8 bpm and a mean duration of 40.7 seconds. The longest time between successive accelerations was 37 minutes. There was a significant negative correlation between the mean daily maximum amplitude of accelerations and the mean daily fetal heart rate (r = -0.84). Fetal heart rate acceleration patterns suggested a prolonged period of fetal wakefulness during the late evening.
J Patrick; L Carmichael; L Chess; C Staples
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  American journal of obstetrics and gynecology     Volume:  148     ISSN:  0002-9378     ISO Abbreviation:  Am. J. Obstet. Gynecol.     Publication Date:  1984 Jan 
Date Detail:
Created Date:  1984-02-15     Completed Date:  1984-02-15     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0370476     Medline TA:  Am J Obstet Gynecol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  35-41     Citation Subset:  AIM; IM    
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MeSH Terms
Fetal Heart / physiology*
Fetal Monitoring
Fetus / physiology
Gestational Age*
Heart Rate

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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