Q: What is cervical insufficiency or incompetence?

A: Cervical insufficiency (which was previously called cervical incompetence) is a condition during pregnancy in which the cervix is "weak" and it fails to keep the fetus inside the uterus during pregnancy. In happens in about 1 in 100 pregnancies. In a cervical insufficiency, the cervix typically opens up in the early 2nd trimester without pain or labor.