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
[{'content': 'During PPH Internal iliac Ligation done at : \nSelect and explain. \nA. Origin of internal iliac aery, B. Anterior division of Internal iliac aery, C. Posterior division of internal iliac aery, D. Common iliac aery', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Anterior division of Internal iliac aery', 'role': 'assistant'}]