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': 'Which of the following mullerian anomaly is least likely to develop endometriosis \nSelect and explain. \nA. Transverse vaginal septum, B. Bicornuate Uterus, C. Imperforate Hymen, D. Unicornuate uterus.', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Bicornuate Uterus is least likely to develop endometriosis.', 'role': 'assistant'}]