The Barnes Ring

The Bandl Constriction Ring. It is real. It exists. Its true incidence is unclear as it lacks uniform reporting when found at time of cesarean. As labor guideline are more permissive of slowed labor progress, some fear that the incidence of Bandl's Band may rise. What is this ring? What is the pathophysiology of this abnormal uterine response? Can ultrasound detect this labor abnormality? In this episode we will cover the fascinating and controversial history of the Bandl Band and review some key publications describing its potential morbidity.