Comparing the efficacy and pregnancy outcome of intrauterine balloon and intrauterine contraceptive device in the prevention of adhesion reformation after hysteroscopic adhesiolysis in infertile women: a prospective, randomized, controlled trial study

Table 1 The American Fertility Society (AFS) classification of intrauterine adhesions, 1988

Affected area	<1/3	1/3 to 2/3	>2/3
Affected area	1	2	4
Adhesions	Filmy	Filmy and dense	Dense
Adhesions	0	2	4
Menstrual pattern	Normal	Hypomenorrhoea	Amenorrhoea
Menstrual pattern	0	2	4
Stage of adhesion
Stage I (mild)	1–4
Stage II (moderate)	5–8
Stage III (severe)	9–12

Source: The American Fertility Society classification of adnexal adhesions, distal tubal occlusion, tubal occlusion secondary to tubal ligation, tubal pregnancies Mullerian anomalies, and intrauterine adhesions. Fertility Steril;49:944 − 55

ISSN: 1477-7827