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
[{'content': 'All of the following are contraceptive implants except: \nSelect and explain. \nA. Norplant, B. Implanon, C. Jadelle, D. Mesigyna', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Non oral hormonal contraceptives are:\n1. Hormone releasing IUCDs\n2. Injectable contraceptive -\na. Progesterone only - DMPA\n\nNET EN\n\nb. Combined- cyclofem\n\nmesigyna\n\nc. Injectable vaccine - Antihcg injection.\n3. Contraceptive implants:\n\nNorplant I\nNorplant II or Jadelle\nImplanon\n\n4. Vaginal ring', 'role': 'assistant'}]