<prompt> Pyometra commonly occurs following :Carcinoma endometriumCarcinoma cervixCarcinoma urethraSenile endometritis  <response>: Ans. is a i.e. Carcinoma Endometrium Pyometra is collection of pus or mixture of pus and blood within the uterus Causes : Most common cause 2d most common cause : Other causes : Congenital atresia of the vaginacervix. Stenosis of cervix vagina following : - Operations - Burns Radiotherapy Endometritis : Senile Tuberculous Puerperal Carcinoma : - Ca endometrium most commondeg Ca cervix - Ca corporis 