disease has major feature Septate vagina female reproductive system disorder transverse vaginal septum https://github.com/monarch-initiative/mondo/issues/6753 https://github.com/monarch-initiative/mondo/issues/6876 https://www.malacards.org/card/transverse_vaginal_septum MONDO:0015850 MEDGEN:341032 Orphanet:180160 ICD10CM:Q52.11 GARD:0020191 A rare vaginal malformation characterized by the presence of a complete or incomplete transverse septum at any level of the vagina (most frequently the upper or middle third), resulting from incomplete fusion between the Müllerian duct component and the urogenital sinus component of the vagina during embryogenesis. The condition is only rarely diagnosed in neonates or infants, unless it causes significant hydromucocolpos. Complete septa present with primary amenorrhea, cyclic pelvic pain, dyspareunia, or a pelvic mass consisting of accumulated menstrual blood, while incomplete septa may lead to dyspareunia and dysmenorrhea. HP:0000145 UMLS:C1856006 icd11.foundation:1265288464 disorder of development or morphogenesis