This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Urinary tract, Subject name: Pathology
[{'content': 'Semen analysis is to be done \nSelect and explain. \nA. As early as possible, B. After 15-30 mins irrespective of liquefaction, C. After 30-60 mins irrespective of liquefaction, D. After liquefaction with through mixing', 'role': 'user'}, {'content': 'Answer: C \nExplanation: A semen analysis (plural: semen analyses), also called "seminogram" evaluates ceain characteristics of a male\'s semen and thesperm contained therein. It is done to help evaluate male feility, whether for those seeking pregnancy or verifying the success of vasectomy. Refer robbins 9/e', 'role': 'assistant'}]