The most common complications of cervical teratomas are listed below: i. The cervical teratomas can interfere with the development of the fetus growth.  ii. It can interfere with the patient's respiration by blocking or narrowing the airway. iii. The tumor can compress the esophagus, resulting in difficulty swallowing food or liquids. iv. Cervical teratomas can be fatal if left untreated or if there is a delay in managing the tumor.