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
In perimenopausal women with menorrhagia we rule out all carcinoma except : 
Select and explain. 
A. Ovary, B. Uterus, C. Fallopian tube, D. Endometrium
A: Ovary
Answer: A: Ovary 
Explanation: Ovary