Gynaecology & Obstetrics Which of the following statements is true regarding cerclage A Shirodkar procedure is most often selected. B Broad - spectrum antibiotic prophylaxis is required. C Ideally performed at 10 → 12 weeks gestation. D Prolapsing membranes can be reduced with Trendelenburg positioning and bladder filling prior to cerclage placement. 💡 Explanation Which of the following statements is true regarding cerclage ✓ Correct Answer: D. Prolapsing membranes can be reduced with Trendelenburg positioning and bladder filling prior to cerclage placement.