Clinical approach for the classification of congenital uterine malformations

Table 1 Classification of uterine anomalies

Main class	Uterine anomaly	Main sub-classes
Class 0	Normal uterus
Class I	Dysmorphic uterus	a. T-shaped
Class I	Dysmorphic uterus	b. Infantilis
Class II	Septate uterus	a. Partial
Class II	Septate uterus	b. Complete
Class III	Dysfused uterus	a. Partial
Class III	Dysfused uterus	b. Complete
Class IV	Unilateral formed uterus	a. Rudimentary horn with cavity (Communicating or not)
Class IV	Unilateral formed uterus	b. Rudimentary horn without cavity/Aplasia (no horn)
Class V	Aplastic/dysplastic uterus	a. Rudimendary horn with cavity (bi- or unilateral)
Class V	Aplastic/dysplastic uterus	b. Rudimentary horn without cavity (bi- or unilateral)/Aplasia
Class VI	Unclassified malformations