Document Detail

Cervical score and onset of spontaneous labor in prolonged pregnancy dated by second-trimester ultrasonic scan.
MedLine Citation:
PMID:  2660039     Owner:  NLM     Status:  MEDLINE    
The interval from expected day of delivery to spontaneous onset of labor was correlated with parity and cervical score in 103 women with uncomplicated prolonged pregnancy (greater than 294 days). All women had a routine ultrasonic scan in weeks 16-18 for the purpose of dating. The mean (+/- SD) modified Bishop score on entry to the study was 4.15 +/- 2.0 for nulliparas and 4.90 +/- 2.1 for multiparas. The duration beyond 294 days to spontaneous onset of labor varied little (mean 3.5-4.5 days) for nulliparas with scores greater than 2 and for multiparas regardless of score. Nulliparous women with a poor score (less than 3) had spontaneous onset of labor and delivery within a mean of 9.8 days. Half of the multiparas (50.0%) and 43.9% of the nulliparas gave birth within 3 days. About 90% of all women gave birth within 7 days. All but three had a vaginal delivery; the instrumental vaginal delivery rate was 16.3%. The results suggest that in postterm women dated with a second-trimester ultrasonic scan, the cervical scores are in general more favorable than previously reported in series not dated with early scans. The postterm group is also much smaller, and the time interval from entry into the postterm period to spontaneous onset of labor is shorter.
I Ingemarsson; L Hedén
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Obstetrics and gynecology     Volume:  74     ISSN:  0029-7844     ISO Abbreviation:  Obstet Gynecol     Publication Date:  1989 Jul 
Date Detail:
Created Date:  1989-07-21     Completed Date:  1989-07-21     Revised Date:  2009-10-26    
Medline Journal Info:
Nlm Unique ID:  0401101     Medline TA:  Obstet Gynecol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  102-5     Citation Subset:  AIM; IM    
Department of Obstetrics and Gynecology, University Hospital, Lund, Sweden.
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MeSH Terms
Cervix Uteri / physiology*
Infant, Newborn
Labor, Obstetric / physiology*
Pregnancy Trimester, Second
Pregnancy, Prolonged / physiology*
Prospective Studies
Time Factors

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

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