Document Detail

Fetal heart rate variability changes and fetal behavioural cycles during labour.
MedLine Citation:
PMID:  3964606     Owner:  NLM     Status:  MEDLINE    
In a study of 301 consecutive fetal heart rate (FHR) recordings of greater than or equal to 6 h duration, consecutive episodes of low and high FHR variability consistent with cycles of quiet and active fetal behaviour were found in 38% of spontaneous and 68% of induced labours at term (P less than 0.0001). Quiet periods (episodes of low FHR variability) had durations of 12-93 min (mean 25, SD 11 min) and in 48% of cardiotocographs (CTGs) these episodes had a long-term variability of less than 5 beats/min. The implications of these findings are discussed in relation to the use of FHR recording for intrapartum surveillance.
J A Spencer; P Johnson
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  British journal of obstetrics and gynaecology     Volume:  93     ISSN:  0306-5456     ISO Abbreviation:  Br J Obstet Gynaecol     Publication Date:  1986 Apr 
Date Detail:
Created Date:  1986-06-12     Completed Date:  1986-06-12     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  7503752     Medline TA:  Br J Obstet Gynaecol     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  314-21     Citation Subset:  AIM; IM    
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MeSH Terms
Fetal Heart / physiology*
Fetal Monitoring
Fetus / physiology*
Heart Rate
Labor, Obstetric*

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