Which of the following is a hormone releasing Intra Uterine Device (IUD)?

Options

A. Multiload 375
B. LNG-20
C. Cervical cap
D. Vault

Answer

### Step-by-Step Solution:

1. **Understanding Intrauterine Devices (IUDs)**:
- Intrauterine devices (IUDs) are contraceptive devices that are inserted into the uterus to prevent pregnancy.
- They can be classified into two main types: hormone-releasing IUDs and copper-releasing IUDs.

2. **Identifying Copper-Releasing IUDs**:
- Copper-releasing IUDs, such as Copper T, Copper 7, and Multi Load 375, work by releasing copper ions that are toxic to sperm, thus preventing fertilization.
- These devices do not release hormones.

3. **Identifying Hormone-Releasing IUDs**:
- Hormone-releasing IUDs, on the other hand, release hormones that help in preventing ovulation and thickening cervical mucus to block sperm.
- The most commonly known hormone-releasing IUD is the one that releases Levonorgestrel (LNG).

4. **Conclusion**:
- Among the options provided, the hormone-releasing IUD is the one that contains Levonorgestrel.
- Therefore, the answer to the question is **Levonorgestrel (LNG)**.