Successful Induction of Labor: Sensitivity and Specificity

Introduction: Ability to induce labor with pitocin leading to vaginal delivery, vs needing a cervical ripening agent or having to perform C-section.

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Prevalence

The sensitivity and specificity of findings for Successful Induction of Labor are listed below. See the left navigation bar to change the display.

Poorly Diagnostic Findings

Finding	Sensitivity	Specificity	Comments, Study
Bishop Score	50.4%	75.6%	Bishop Score >= 5 (varying cutoffs used historically): position 0-2 consistency 0-2 effacement 0-3 dilation 0-3 station 0-3 See e.g. http://www.fpnotebook.com/OB/Exam/BshpScr.htm for details. Study: Clin Obstet Gynecol. 2006 Sep;49(3):573-84. PMID: 16885664
Transvaginal US	62.4%	67.2%	cervical length <=20mm Study: Clin Obstet Gynecol. 2006 Sep;49(3):573-84. PMID: 16885664
Fetal Fibronectin	61%	60.9%	Study: Clin Obstet Gynecol. 2006 Sep;49(3):573-84. PMID: 16885664