Name an IUD that you would recommend to promote the cervix hostility to the sperms.

Explanation

To answer the question about recommending an IUD that promotes cervical hostility to sperm, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Function of IUDs**:
- Intrauterine devices (IUDs) are contraceptive devices inserted into the uterus. They work primarily by preventing fertilization.

2. **Identify the Mechanism of Action**:
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