<prompt> Commonest route of spread of Tuberculosis to genital tract is:Lymphatic spreadHematogenous spreadDirect spreadSexually transmitted  <response>: Genital TB is almost always secondary to focus elsewhere. Primary focus is in lungs 50, lymph nodes 40 cases. Hematogenous spread is the commonest mode followed by direct spread and ascending route. Only about 10 percent of genital TB cases have children. Salpingitis isthimica nodosa is nodular thickening of tubes in genital TB. Endometrium of uterus is involved in 60 percent cases. Cervix is involved in 10 to 15 of cases. 