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
Amenorrhoea due to high LH and FSH is due to : 
Select and explain. 
A. Asherman syndrome, B. Pituitary adenoma, C. Ovarian failure, D. All
C: Ovarian failure
Answer: C: Ovarian failure 
Explanation: Ovarian failure