Skip to main content

Advertisement

Table 3 Classifications of IUA by the European Society for Hysteroscopy (ESH), 1989

From: Intrauterine adhesions (IUA): has there been progress in understanding and treatment over the last 20 years?

Grade Extent of intrauterine adhesion
I Thin or filmly adhesion
Easily ruptured by hysteroscope sheath alone
Cornual areas normal
II Singular firm adhesions
Connecting separate parts of the uterine cavity
Visualization of both tubal ostia possible
Cannot be ruptured by hysteroscope sheath alone
IIa Occluding adhesions only in the region of the internal cervical os
Upper uterine cavity normal
III Multiple firm adhesions
Connecting separate parts of the uterine cavity
Unilateral obliteration of ostial areas of the tubes
IIIa Extension scarring of the uterine cavity wall with amenorrhoea or hypomenorrhoea
IIIb Combination of III and IIIa
IV Extensive firm adhesion with agglutination of uterine walls
At least both tubal ostial areas occluded