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
Which of the following is seen in the ovulatory phase 
Select and explain. 
A. Inhibin A is increased, B. FSH increases steroid synthesis in granulosa cells, C. Stimulation of continuation of reduction division of oocytes, D. Activin causes FSH to act on granulosa cells
C: Stimulation of continuation of reduction division of oocytes
Answer: C: Stimulation of continuation of reduction division of oocytes 
Explanation: Ovulation

The combined LH/FSH midcycle surge is responsible for the final stage of maturation of the follicle,
completion of the first meiotic division of oocyte with extrusion of first polar body and expulsion of oocyte