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: Surgery
Which is the earliest symptom of benign hypertrophy of prostate 
Select and explain. 
A. Increased Frequency, B. Nocturia, C. Narrow stream, D. Incontinence
A: Increased Frequency
Answer: A: Increased Frequency 
Explanation: Earliest feature of BPH is increased frequency.