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': 'Cornification Index or eosinophilic index indicates \nSelect and explain. \nA. Progesterone effect, B. Estrogenic effect, C. Effect of LH, D. All of the above', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Estrogenic effect', 'role': 'assistant'}]