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': 'Complete failure of mullerian duct fusion will result in \nSelect and explain. \nA. Uterus didelphys, B. Arcuate uterus, C. Subseptate uterus, D. Bicornuate uterus', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]