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': 'The maturation index on vaginal cytology is a diagnostic method for evaluating the : \nSelect and explain. \nA. Adequacy of cytotoxic drug therapy, B. Gender of an anatomically abnormal child, C. Malignant change at squamocolumnar junction of cervix, D. Endocrine status of cervix', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Endocrine status of cervix', 'role': 'assistant'}]