Vaginal Birth after Classical Incision and Uterine Rupture

A black and white photo of doctors pulling out a newborn baby. Patricia Prudente/Unsplash

If someone were to ask you, “What is the risk of uterine rupture during a planned VBAC after a classical cesarean section?” how would you respond? Most would say 4-9% citing ACOG, the American College of Obstetricians and Gynecologists. But where did those numbers come from? This article explores commonly cited statistics and studies, and the misconceptions behind them.

“When you try to track down the often cited 4-9% uterine rupture rate associated with labor after a prior classical cesarean section, you are led to ACOG’s 1999 VBAC guidelines. That is the last time ACOG cites that specific statistic. However, here’s the problem. That number doesn’t just include uterine ruptures.”