This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endometrial Carcinoma, Subject name: Gynaecology & Obstetrics
A patient presents with postmenopausal bleeding . Endometrial biopsy should be done if endometrial thickness is more than? 
Select and explain. 
A. 3 mm or more, B. 5 mm or more, C. 7 mm or more, D. 8 mm or more
B: 5 mm or more
Answer: B: 5 mm or more 
Explanation: Endometrial biopsy in a menopausal female presenting with post menopausal bleeding is required if Endometrial Thickness is equal to or more than 5 mm on TVS. Endometrial thickness >= 4mm ( American guidelines ) ET >= 5mm ( International federation of obstetricians and gynecologists: FIGO )