Vaginal Birth After Cesarean Delivery for Arrest of Descent

By on March 15, 2018

Many pregnant women with a prior cesarean delivery have the option to attempt a vaginal birth after cesarean (VBAC), also known as TOLAC (trial of labor after cesarean).  The decision whether to attempt VBAC or to schedule a repeat cesarean delivery depends on the woman’s preferences, as well as two clinical factors:  the risk of VBAC and the likelihood of a successful VBAC. The risk of VBAC depends on several factors regarding the original cesarean delivery, as well as the overall health of the mother and her pregnancy.  Regarding the likelihood of success, one important variable is the reason for the previous cesarean.  For women who achieved full cervical dilation and began pushing but had a cesarean for “arrest of descent” (the baby did not descend into the pelvis), they were traditionally told that the likelihood of a successful VBAC was 50% or less.

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