This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Infections of the genital tract, Subject name: Gynaecology & Obstetrics
All are risk factors for vaginal candidiasis except : 
Select and explain. 
A. HIV, B. Hypeension, C. Pregnancy, D. Diabetes melitus
B: Hypeension
Answer: B: Hypeension 
Explanation: Vaginal candidiasis Predisposing factors Diabetes: Increased glycogen in cells leading to increased lactic acid and acidic PH Pregnancy: Increased vaginal acidity Broad spectrum antibiotics Combined oral pills Immunosupression HIV Steroids Thyroid and Parathyroid disease Obesity Ref: D.C.DUTTA'S TEXTBOOK OF GYNAECOLOGY; 6TH Edition; Pg No:164