Preterm VBAC Calculator

Chronic hypertension?
Diabetes (gestational or pregestational)?
Any previous vaginal delivery?
Any vaginal delivery since last cesarean?
Indication for prior cesarean of arrest of dilation or descent?
Hypertensive disease of pregnancy (gestational hypertension, preclampsia, or superimposed preclampsia)?
Dilation cm
Labor induction?
Click "Calculate" when you have completed this section.
Mardy AH, Ananth CV, Grobman WA, et al. A prediction model of vaginal birth after cesarean in the preterm period. Am J Obstet Gynecol 2016;215:513.e1-7.