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
Senile vaginitis is due to : 
Select and explain. 
A. Gonococcal infection, B. Cancer cervix, C. Diabetes, D. Oestrogen deficiency
D: Oestrogen deficiency
Answer: D: Oestrogen deficiency 
Explanation: Oestrogen deficiency