Table 4Vaginal birth after cesarean rate with oxytocin used for induction versus augmentation

StudyStudy DesignInductionAugmentation
Silver, 1987162Cohort
Medical center hospital, women at term with a history of one prior CD, who received intrapartum oxytocin
53%63%
Sakala, 1990141Cohor
University hospital, women who underwent TOL and had > 1 prior CD
58%88%
Flamm, 1987125Cohor
Kaiser hospitals, women with prior CD who were administered oxytocin
56%69%
Paul/Horenstein, 985131Cohor
University hospital, women with prior CD offered TOL
72%69%
Pooled absolute difference in proportion with VBAC12% (95% CI 0.3% to 24%)

Abbreviations: CD=cesarean delivery; CI=confidence interval; TOL=trial of labor; VBAC=vaginal birth after cesarean

From: 3, Results

Cover of Vaginal Birth After Cesarean: New Insights
Vaginal Birth After Cesarean: New Insights.
Evidence Reports/Technology Assessments, No. 191.
Guise JM, Eden K, Emeis C, et al.

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