Discussion: 'Cervical dilation in mid-pregnancy: expectant management versus cerclage' by Pereira et al

Pereira L, Cotter A, Gómez R, et al. Expectant management compared to physical exam-indicated cerclage in selected women with a dilated cervix between 140/7 and 256/7 weeks: Results from the EM-PEC international cohort study. Am J Obstet Gynecol 2007;197:483.e1-483.e8.