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
Oestrogen causes proliferation of 
Select and explain. 
A. Intermediate cells, B. Superficial cells, C. Basal cells, D. Both superficial and intermediate cells
B: Superficial cells
Answer: B: Superficial cells 
Explanation: Oestrogen causes proliferation of glycogen containing superficial cells and progesterone causes proliferation of intermediate cells.