A 13 y/o female consulted to HPTU PDs surgery department with a history of pelvic malformations since she was born and complaining about a colostomy done five years ago. On clinical examination an anal fistula was seen as well as perineal organs duplicatedincluding vulva - four labia, clitoris, vaginal canal, urethra, also double gluteal cleft. Several diagnostic modalities were performed (voiding cystourethrography, urodynamic, renalscan, CT and MRI) having a diagnosis of complete duplication of the hindgut and lower urinary tract , a rare congenital anomaly that has fewer than 50 cases reported in the literature. During hospitalization she underwent successful abdominopelvic surgicalcorrection.