Is Cerclage Height Associated with the Incidence of Preterm Birth in Women with Physical Exam Indicated Cerclage? [16N]

INTRODUCTION:To determine whether there was a cerclage height threshold associated with spontaneous preterm birth in patients with physical exam indicated cerclage (PEIC).METHODS:We performed a retrospective multicenter cohort study of women with a PEIC. Functional cervical length and the cerclage h