This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous (Obs), Subject name: Gynaecology & Obstetrics
[{'content': "Absence of corkscrew glands is seen in \nSelect and explain. \nA. Halban's disease, B. Polycystic ovarian disease, C. Irregular ripening, D. Metropathia hemorrhagica", 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. D. Metropathia hemorrhagicaEndometrial histology - secretory phasea. The characteristic feature of endometrium in Metropathia hemorrhagica is cystic glandular hyperplasia.b. Another important feature is absence of secretory endometrium with absence of corkscrew glands.c. Endometrium is usually thick and polypoidal.d. Thin polypi project into the uterine cavity.', 'role': 'assistant'}]