This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Contraception, Subject name: Gynaecology & Obstetrics
[{'content': 'The following are true related with regards to vasectomy except : \nSelect and explain. \nA. Leads to immediate sterility, B. Failure rate is 0.15/100women years, C. Involves ligation and division of spermatic cord, D. Paner (wife may be given DMPA for 3 months', 'role': 'user'}, {'content': 'Answer: A \nExplanation: It doesnot lead to immediate sterility. It is imperative that some other contraception should be used for the next three months or 15 ejaculation. TEXTBOOK OF GYNECOLOGY SHEILA BALAKRISHNAN SECOND EDITION PAGE NO 396', 'role': 'assistant'}]