Step 1: Types of IUDs.
IUDs are classified into non-medicated, copper-releasing, and hormone-releasing devices. LNG-20 (Levonorgestrel 20) is a hormone-releasing IUD.
Step 2: Analysis of options.
(1) Multiload 375 – Copper-releasing IUD.
(2) LNG-20 – Correct, hormone-releasing IUD.
(3) Lippes loop – Non-medicated plastic IUD.
(4) Cu-T – Copper-releasing IUD.
Step 3: Conclusion.
Thus, the correct answer is (2) LNG-20.