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: Physiology
Subnuclear cytoplasmic vacualization is seen in which stage of menstural cycle ? 
Select and explain. 
A. Proliferative phase, B. During mensturation, C. Secretory phase, D. None
B: During mensturation
Answer: B: During mensturation 
Explanation: Ans. is 'b' i.e., During mensturation