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: Social & Preventive Medicine
All of the following are true about vasectomy, EXCEPT: 
Select and explain. 
A. Take about 3 months before the sperm stores are used up, B. Sperm granulomas are less common if electrocautery is used, C. Reversal is most successful within 10 years of initial surgery, D. There is a risk of chronic testicular pain
B: Sperm granulomas are less common if electrocautery is used
Answer: B: Sperm granulomas are less common if electrocautery is used 
Explanation: Sperm granulomas are less common if thermal cautery is used rather than electrocautery. Some complications of vasectomy: a) Hematoma and infection b) Sperm Granulomas c) Chronic testicular pain d) Spontaneous recanalisation e) Antisperm antibody formation Ref: Oxford Handbook of Clinical Specialities, 8th Edition, Page 305; Shaw's Textbook of Gynaecology, 12th Edition, Page 182