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Table 2 Development of the new classification system; CONUTA proposal for the classification of female genital tract malformations; it has been sent to the participants together with the results of the first round just before the questionnaire of the second round

From: The ESHRE–ESGE consensus on the classification of female genital tract congenital anomalies

 

Main class

Main sub-class

Co-existent sub-class

Uterine anomaly

Cervical/vaginal anomaly

Class 0

Normal uterus

 

Cervix

C0 Normal

Class I

Dysmorphic uterus

a. T-shaped

C1 Septate

b. Infantilis

C2 Doublenormal

Class II

Septate uterus

a. Partial

C3 Unilateral aplasia / dysplasia

b. Complete

C4 Aplasia/dysplasia

Class III

Dysfused uterus (including dysfused “septate”)

a. Partial

 

b. Complete

Vagina

Class IV

Unilaterally formed uterus

a. Rudimentary horn with cavity (communicating or not)

V0 Normal vagina

V1 Longitudinal non-obstructing vaginal septum

b. Rudimentary horn without cavity/aplasia (no horn)

V2 Longitudinal obstructing vaginal septum

Class V

Aplastic/dysplastic

a. Rudimentary horn with cavity (bi- or unilateral)

V3 Transverse vaginal septum/imperforate hymen

b. Rudimentary horn without cavity (bi- or unilateral)/aplasia

V4 Vaginal aplasia

Class VI

Unclassified malformations