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
The contraceptive TODAY which has been recently introduced contains : 
Select and explain. 
A. Prostaglandin F2, B. Norethisterol, C. 9 - Nonoxynol, D. Copper releasing mesh
C: 9 - Nonoxynol
Answer: C: 9 - Nonoxynol 
Explanation: 9 - Nonoxynol