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
Ovulallon occurs : 
Select and explain. 
A. 14 days after menstruation, B. 14 days before menstruation, C. 7 days after menses, D. None of the above
B: 14 days before menstruation
Answer: B: 14 days before menstruation 
Explanation: 14 days before menstruation