Which of the following is a sexually transmitted disease but is not a reproductive tract infections ?

Options

A. AIDS
B. Syphilis
C. Hepatitis - B
D. Genital herpes

Answer

To solve the question "Which of the following is a sexually transmitted disease but is not a reproductive tract infection?", we can follow these steps:

### Step 1: Understand the Definitions
- **Sexually Transmitted Diseases (STDs)**: These are infections that are primarily spread through sexual contact.
- **Reproductive Tract Infections**: These are infections that specifically affect the reproductive system.

### Step 2: Analyze Each Option
1. **AIDS (Acquired Immunodeficiency Syndrome)**:
- Caused by HIV (Human Immunodeficiency Virus).
- Affects the immune system and can lead to infections in the reproductive tract.
- **Conclusion**: It is a reproductive tract infection.

2. **Syphilis**:
- Caused by the bacterium Treponema pallidum.
- Affects the genital area and can cause ulcers and other symptoms.
- **Conclusion**: It is a reproductive tract infection.

3. **Hepatitis B**:
- Caused by the Hepatitis B virus.
- Primarily affects the liver and is transmitted through blood, semen, and vaginal fluids.
- Does not specifically affect the reproductive tract.
- **Conclusion**: It is a sexually transmitted disease but not a reproductive tract infection.

4. **Genital Herpes**:
- Caused by the herpes simplex virus.
- Affects the genital area, causing sores and blisters.
- **Conclusion**: It is a reproductive tract infection.

### Step 3: Identify the Correct Answer
From the analysis, the only option that is a sexually transmitted disease but does not cause reproductive tract infections is **Hepatitis B**.

### Final Answer
**Option 3: Hepatitis B** is a sexually transmitted disease but is not a reproductive tract infection.

---