Lippe's loop is a copper releasing/non-medicated/hormone releasing IUD.

Explanation

**Step-by-Step Solution:**

1. **Understanding IUDs**: Start by defining what an IUD (Intrauterine Device) is. IUDs are contraceptive devices inserted into the uterus to prevent pregnancy.

2. **Types of IUDs**: Identify the three main types of IUDs:
- Non-medicated IUDs
- Copper-releasing IUDs
- Hormone-releasing IUDs
...