This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General obstetrics, Subject name: Gynaecology & Obstetrics
In a young female of reproductive age with regular menstrual cycles of 28 days, if ovulation occurs around 14th day of periods. When is the first polar body extruded? 
Select and explain. 
A. 24 hours prior to ovulation, B. Accompanied by ovulation, C. 48 hours after the ovulation, D. At the time of feilization
B: Accompanied by ovulation
Answer: B: Accompanied by ovulation 
Explanation: Primary oocyte completes its first meiotic division at the time of ovulation giving rise to secondary oocyte and first polar body. Reference: Langman'"s Textbook of embryology 13th edition, page 28