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': 'GnRH analogue may be given in all of the following except: \nSelect and explain. \nA. Prostate Ca, B. Endometrial Ca, C. Fibromyoma - uterus, D. Precocious puberty', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]