This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Contraception, Subject name: Gynaecology & Obstetrics
All of the following are contraceptive implants except : 
Select and explain. 
A. Norplant, B. Implanon, C. Jadelle, D. Mesigyna
D: Mesigyna
Answer: D: Mesigyna 
Explanation: Contraceptive implants are norplant, Implanon and Jadelle. Mesigyna is an injectable contraceptive. TEXTBOOK OF GYNECOLOGY SHEILA BALAKRISHNAN SECOND EDITION PAGE NO 373