<prompt> A 30 yrs old lady examined for infeility by hysterosalpingography, reveals Bead-like fallopian tube and clubbing of ampulla. Most likely cause is:GonococcusMycoplasmaChlamydiaMycobacterium tuberculosis  <response>: Bead-like fallopian tube and clubbing of ampulla in a case of infeility indicates previous infection with Mycobaterium tuberculosis. Ref: Shaws Textbook of Gynaecology, 12th Edition, Page 119 ; Textbook of Gynecology By D C Dutta, 4th Edition, Page 132 