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
The maturation index on vaginal cytology is a diagnostic method for evaluating the: 
Select and explain. 
A. 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
D: Endocrine status of cervix
Answer: D: Endocrine status of cervix 
Explanation: None