The use of which of the following contraceptive device has increased in recent years due to its additional benefit of protecting the user from contracting STDs and AIDS ?

Options

A. Coitus interruptus
B. IUDs (intra-utrine-devices)
C. Condoms
D. Vasectomy

Answer

To answer the question regarding which contraceptive device has seen an increase in use due to its added benefit of protecting users from STDs and AIDS, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Question**: The question asks which contraceptive device has increased in popularity due to its ability to protect against STDs and AIDS.

2. **Review the Options**: The options provided are:
- a. Coitus interruptus
- b. IUDs (Intrauterine Devices)
- c. Condoms
- d. Vasectomy

3. **Analyze Each Option**:
- **Coitus Interruptus**: This method involves withdrawal before ejaculation. It does not provide protection against STDs.
- **IUDs**: These are used primarily for contraception and do not offer protection against STDs.
- **Condoms**: Condoms are designed to prevent both pregnancy and the transmission of STDs, including AIDS. They work by blocking direct contact between partners, thus preventing the exchange of bodily fluids.
- **Vasectomy**: This is a surgical procedure for male sterilization and does not protect against STDs.

4. **Determine the Correct Answer**: Given that condoms are the only option that provides protection against STDs and has seen increased use for this reason, the correct answer is **c. condoms**.

5. **Conclusion**: The use of condoms has increased in recent years due to their dual function of contraception and protection against sexually transmitted diseases, including AIDS.

### Final Answer:
The correct option is **c. condoms**.

---