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
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: Non oral hormonal contraceptives are:
1. Hormone releasing IUCDs
2. Injectable contraceptive -
a. Progesterone only - DMPA

NET EN

b. Combined- cyclofem

mesigyna

c. Injectable vaccine - Antihcg injection.
3. Contraceptive implants:

Norplant I
Norplant II or Jadelle
Implanon

4. Vaginal ring