We offer access to questions covering the CEM database and LEK questions from 2008.
We offer access to archived PES questions from the CEM website and unpublished questions from the latest 5 years for selected specializations.
107.
The possible causes of cervical incompetence include:
1) inherited disorders;
2) traumas of the cervix;
3) state after the cervical conization;
4) multiple pregnancy.
The correct answer is: