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
Risk factors for stress urinary incontinence are all except 
Select and explain. 
A. Smoking, B. Obesity, C. Hypertension, D. Pregnancy
C: Hypertension
Answer: C: Hypertension 
Explanation: Hypertension is not a risk factor for stress urinary incontinence.