What are the measures one has to take to prevent from contracting STDs?

Explanation

To prevent contracting sexually transmitted diseases (STDs), one can take the following measures:

### Step-by-Step Solution:

1. **Avoid Sexual Contact with Unknown or Multiple Partners**:
- Engaging in sexual relations with unknown individuals or having multiple sexual partners increases the risk of exposure to STDs. It is advisable to limit sexual activity to a mutually monogamous relationship where both partners are tested for STDs.

2. **Use Condoms Consistently and Correctly**:
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