<prompt> Complete failure of fusion of the mullerian duct leads to:Uterus didelphysBicornuate uterusSubseptate uterusUnicornuate uterus  <response>: Uterus didelphys - complete failure of fusion of Mullerian duct resulting in two uterus. - Most common type of uterus anomaly is septate uterus and cause spontaneous aboion in first trimester 