Schenker and Margalioth used a simple classification to describe intrauterine adhesions.


Type of Adhesions

blockage of the cervical canal with partial or complete stenosis

cervicoisthmic adhesions

adhesions within the endometrial cavity

corporal adhesions

complete obliteration of the uterine cavity and cervical canal

total atresia


Corporal adhesions can be further classified based on extent, ranging from a single adhesion to extensive disease.


There may be need for a "mixed" category, with adhesive disease affecting both the endometrial cavity and the cervical canal.


Endometrial ablation is a procedure developed after this classification was reported and can result in obliteration of the uterine cavity. This suggests the need for a term to describe acquired subtotal obliteration.


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