MRI features of a uterus didelphys (Müllerian duct anomaly class III). On abdominal ultrasound (not shown), both kidneys were normal in size and location. 

Uterus didelphys is a type of Müllerian duct anomaly (class III) where there is a complete duplication of uterine horns as well as duplication of the cervix, with no communication between them.