This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Contraceptives, Subject name: Gynaecology & Obstetrics
Long acting reversible contraception all EXCEPT: 
Select and explain. 
A. CuT, B. Lap tubal sterilisation, C. Implanon, D. LNG IUD
B: Lap tubal sterilisation
Answer: B: Lap tubal sterilisation 
Explanation: Laparoscopic or Open sterilization procedures are irreversible permanent methods of contraception. These are advised only when the couple are sure of having achieved their desired family size LNG-IUD: Levonorgestrel-releasing intrauterine systems--Mirena(5 years) and Skyla(3 years). Each releases the progestin into the uterus at a relatively constant rate, which reduces systemic effects. Copper devices can act from 3 years to up to 10 years. Implanon A single-rod implant with 68 mg of etonogestrel covered by an ethylene vinyl acetate copolymer cover. Placed subdermally on the medial surface of the upper arm 8 to 10 cm from the elbow in the biceps groove and is aligned with the long axis of the arm. Used for 3 years Not radiopaque, and identified with sonography Nexplanon, which is similarly shaped and pharmacologically identical to Implanon but is radiopaque.