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.

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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
Fetal Fibronectin	61%	60.9%	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