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
Three month's amenorrhoea in a female may indicate following EXCEPT : 
Select and explain. 
A. Pregnancy, B. Tuberculosis of genital tract, C. Endometriosis, D. Sheehan's syndrome
C: Endometriosis
Answer: C: Endometriosis 
Explanation: Endometriosis