<prompt> MC uterine malformation associated with infeilityBicornuateUnicornuateSeptateDidelphys  <response>: Septate uterus The two mullerian ducts are fused together but there is a persistance of septum in between the either two paially or completely Infeility and dyspareunia are often associated with vaginal septum D.C.DUTTA;S TEXTBOOK OF GYNAECOLOGY,Pg no:44,6th edition 