There are no clear scientific statistics on how many weeks the cervical canal is too short to worry about, and if the condition is detected after full term, i.e. after 37 weeks, it is generally not a cause for much concern. During pregnancy, if a pregnant woman develops a short cervical canal, the likelihood of the risk of causing preterm labor, miscarriage, preterm labor, preterm delivery, etc. is significantly higher. But there are no clear scientific statistics on how many weeks the cervical canal is short enough not to worry. After 37 weeks of pregnancy, the fetus is a full-term baby, the fetus has been developed, and the organs have matured, at this time, the short cervical canal has no need to worry too much, once there is a paroxysm of abdominal pain, redness, or fetal movement abnormalities, etc., you should consult a doctor in a timely manner, and timely hospitalization for delivery when necessary, so relatively speaking, after 37 weeks of pregnancy, the cervical canal is short, and generally do not have to worry too much about it.