It is rare. Attachment and development of the fetal egg occurs in the cervical canal, between the internal and external pharynx. The causes of the anomaly are frequent artificial abortions, repeated diagnostic curettage and inflammation of the uterine mucosa, uterine underdevelopment, tumors, cicatricial changes in the area of the internal pharynx, etc.
Schshptomy and course. The main symptom is bleeding that appears in the first or second half of pregnancy. It occurs due to placental abruption or a violation of the integrity of the thinned cervical vessels. In the vast majority of cases, pregnancy is terminated in the first half, and it is very rarely terminated.
Recognition:When making a diagnosis, the absence of menstruation, the presence of other signs of pregnancy, the results of a vaginal examination are taken into account, ultrasound is used.
Treatment:Urgent surgery - extirpation (removal of the uterus). Attempts to extract a fetal egg through the vagina lead to profuse bleeding. In exceptional cases, in the absence of conditions for the operation as a necessary measure, you can use a tight tamponade of the vagina, applying clamps to the vessels of the cervix during the transportation of the patient to a specialized medical institution. The prognosis depends on the timeliness of the operation.