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
Increased LH:FSH ratio is found in : 
Select and explain. 
A. Premature menopause, B. Sheehan syndrome, C. Polycystic ovary syndrome, D. Turner's syndrome
C: Polycystic ovary syndrome
Answer: C: Polycystic ovary syndrome 
Explanation: Polycystic ovary syndrome