This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Gynaecology & Obstetrics
[{'content': 'Pyometra commonly occurs following : \nSelect and explain. \nA. Carcinoma endometrium, B. Carcinoma cervix, C. Carcinoma urethra, D. Senile endometritis', 'role': 'user'}, {'content': 'Answer: A \nExplanation: 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 2"d most common cause : Other causes : Congenital atresia of the vagina/cervix. Stenosis of cervix / vagina following : - Operations - Burns Radiotherapy Endometritis : Senile Tuberculous Puerperal Carcinoma : - Ca endometrium (most common)deg Ca cervix - Ca corporis', 'role': 'assistant'}]