How long is the cervical canal closed?

The length of the cervical canal is usually more than 3cm.

The length of the cervical canal is generally referred to as the length of the cervical canal. The cervical canal is located at the lower end of the uterus, connecting the uterus and the vaginal fornix. Normally, it should be greater than 3cm. If the length of the cervical canal is less than 3cm, it belongs to the cervical canal too short, indicating cervical dysfunction. Abortion and premature delivery are easy to occur after pregnancy

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