Document Detail

Late meconium passage in labor--a sign of fetal distress?
MedLine Citation:
PMID:  7078880     Owner:  NLM     Status:  MEDLINE    
Although the passage early in labor of thick amniotic fluid heavily stained with meconium is recognized as an indication of potential fetal asphyxia, the significance of late passage of meconium-stained fluid in labor is less certain. One hundren twenty-eight patients with late passage of meconium in labor and 134 control patients were examined, using chi 2 and discriminant analysis, to determine if any relationships existed between fetal heart rate (FHR) patterns, late passage of meconium in labor, and neonatal morbidity. In the group with late meconium passage, adequate baseline FHR variability and nonperiodic accelerations were predictive of high Apgar scores, and repeated (over 20) variable decelerations were predictive of low Apgar scores. In the control group, none of the FHR patterns examined were predictive of Apgar score. Thus, the combination of late passage of meconium in labor with other intrapartum signs may indicate a fetus at risk for asphyxia when neither sign alone is predictive. The presence of late meconium passage demands close observation of the patient in labor, including assessment by electronic FHR monitoring.
P J Meis; C J Hobel; J R Ureda
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Obstetrics and gynecology     Volume:  59     ISSN:  0029-7844     ISO Abbreviation:  Obstet Gynecol     Publication Date:  1982 Mar 
Date Detail:
Created Date:  1982-07-22     Completed Date:  1982-07-22     Revised Date:  2009-10-26    
Medline Journal Info:
Nlm Unique ID:  0401101     Medline TA:  Obstet Gynecol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  332-5     Citation Subset:  AIM; IM    
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MeSH Terms
Apgar Score
Fetal Distress / diagnosis*
Fetal Monitoring
Heart Rate
Infant, Newborn
Labor, Obstetric*
Meconium / physiology*
Prospective Studies

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