This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Female Genital Tract, Subject name: Pathology
[{'content': "Swiss cheese pattern endometrium is seen in \nSelect and explain. \nA. Carcinoma endometrium, B. Metropathia hemorrhagica, C. Hydatidiform mole, D. Halban's disease", 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. (b) Metropathia hemorrhagica(Ref: Textbook of gynecology by Rao:65)Metropathia hemorrhagicaAnovulatory DUB associated with endometrial hyperplasia with acyclical bleedingOvergrowth of endometrial stroma and glands producing swiss cheee appearance', 'role': 'assistant'}]