If the cervical canal is long before pregnancy, the decision can be made according to the specific situation; if the cervical canal is long during pregnancy, it is usually a common phenomenon and does not require special treatment. 1. Long cervical canal before pregnancy: If long cervical canal is found in pre-pregnancy checkups, it usually does not have much effect, but if it is found that the cervical canal is naturally too long or too long, it can be evaluated by the doctor for surgical treatment and then go back to preparation for pregnancy. 2. Cervical canal length during pregnancy: generally in the process of pregnancy cervical canal length is a common phenomenon, if there are no other uncomfortable symptoms, generally do not need to worry too much and deal with, and do a good job of pregnancy care and observation. If there is any abnormality, you should consult a doctor immediately. As you can see, cervical canal length can be evaluated comprehensively under the guidance of a doctor before deciding on its subsequent treatment plan.