Final answer:
A circlage procedure is performed for cervical incompetence, which is a condition where the cervix is weak and cannot support a developing pregnancy.
Step-by-step explanation:
A circlage procedure is performed for cervical incompetence. Cervical incompetence is when the cervix is weak and unable to support a developing pregnancy, leading to miscarriage or premature birth. The cerclage procedure involves stitching the cervix closed to provide support and prevent these complications.