Document Detail

The value of the cervical score in predicting successful outcome of labor induction.
MedLine Citation:
PMID:  9351765     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: To compare cervical dilation and the Bishop score as correlates of successful labor induction and vaginal delivery and to determine whether the prognosis of post-ripening cervical characteristics varies with the method of ripening used. METHODS: Four hundred forty-three women with Bishop scores less than 9 who required induction of labor were assigned randomly to cervical ripening with prostaglandin E2 gel or hygroscopic dilation. The Bishop score and its component characteristics were evaluated as univariate correlates of successful induction of labor and vaginal delivery and then were assessed using logistic regression to adjust for other maternal and fetal factors. The differences in the association between method of ripening and successful labor induction were evaluated relative to pre-ripening and post-ripening cervical examination characteristics. RESULTS: Cervical dilation was a better correlate of successful labor induction and vaginal delivery than was the Bishop score, even after exclusion of patients with initial Bishop scores greater than 6 and dilation greater than 3.0. Both ripening methods yielded similar success in labor induction and vaginal delivery, but when categorized by post-ripening cervical examinations, patients undergoing hygroscopic ripening had lower rates of successful labor induction and vaginal delivery. CONCLUSION: Cervical dilation is a better predictor of successful labor induction and vaginal delivery than either the Bishop score or any other Bishop score component characteristic. The likelihood of successful labor induction and vaginal delivery based on post-ripening cervical characteristics varies by the ripening method used.
M C Williams; J Krammer; W F O'Brien
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Publication Detail:
Type:  Clinical Trial; Journal Article; Randomized Controlled Trial    
Journal Detail:
Title:  Obstetrics and gynecology     Volume:  90     ISSN:  0029-7844     ISO Abbreviation:  Obstet Gynecol     Publication Date:  1997 Nov 
Date Detail:
Created Date:  1997-11-21     Completed Date:  1997-11-21     Revised Date:  2009-10-26    
Medline Journal Info:
Nlm Unique ID:  0401101     Medline TA:  Obstet Gynecol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  784-9     Citation Subset:  AIM; IM    
Department of Obstetrics and Gynecology, University of South Florida, Tampa 33606, USA.
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MeSH Terms
Cervix Uteri / drug effects,  physiology*
Labor, Induced*
Logistic Models
Physical Examination
Reg. No./Substance:
0/Oxytocics; 363-24-6/Dinoprostone
Comment In:
Obstet Gynecol. 1998 Feb;91(2):315-6   [PMID:  9469298 ]

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

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