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
HRT is helpful in all of the following except: 
Select and explain. 
A. Vaginal atrophy, B. Flushing, C. Osteoporosis, D. Coronary heart disease
D: Coronary heart disease
Answer: D: Coronary heart disease 
Explanation: None