RT Book, Section A1 RĂ©dai, Imre A2 Atchabahian, Arthur A2 Gupta, Ruchir SR Print(0) ID 57263487 T1 Chapter 191. Anesthesia for Cerclage T2 The Anesthesia Guide YR 2013 FD 2013 PB The McGraw-Hill Companies PP New York, NY SN 978-0-07-176049-2 LK accessanesthesiology.mhmedical.com/content.aspx?aid=57263487 RD 2024/04/25 AB Cervical incompetence is a common cause of miscarriage. Placing a suture around the cervical os of the uterus mechanically prevents premature opening of the cervix and subsequent premature delivery of the baby.