Mass General Brigham Jul 9 2025 A new study by investigators from Mass General Brigham adds evidence that the most effective way to prevent preterm birth among patients with a history of cervical insufficiency is to place a cervical stitch higher in the abdomen rather than vaginally. This difference in surgical technique was associated with a 70% reduction in risk of preterm birth (birth before 34 weeks) among patients at Brigham and Women's Hospital (BWH), a founding member of the Mass General