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BackgroundTo explore the clinical characteristics of congenital cervical atresia.MethodsThis retrospective analysis included 32 cases of congenital cervical atresia treated from March 1984 to September 2010. The anatomic location, ultrasonic features, surgical treatments, and outcomes were recorded.ResultsBased on clinical characteristics observed during preoperative ultrasound and intraoperative exploration, congenital cervical atresia was divided into four types. Type I (n?=?22/32, 68.8%) is incomplete cervical atresia. Type II (n?=?5/32, 15.6%) defines a short and solid cervix with a round end; the structure lacked uterosacral and cardinal ligament attachments to the lower uterine body. Type III (n?=?2/32, 6.3%) is complete cervical atresia, in which the lowest region of the uterus exhibited a long and solid cervix. Type IV (n?=?3/32, 9.4%) defines the absence of a uterine isthmus, in which no internal os was detected, and a blind lumen was found under the uterus.ConclusionsObservations of clinical characteristics of congenital cervical atresia based on the anatomy and ultrasound may inform diagnosis and treatment strategy.

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