The disease which is transmitted through placenta is

Options

A. rabies
B. German measles
C. tetanus
D. influenza

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for a disease that is transmitted through the placenta from a mother to her developing fetus.

2. **Identifying the Options**: The options provided are:
- Rabies
- German measles
- Tetanus
- Influenza

3. **Understanding the Role of the Placenta**: The placenta is an organ that develops during pregnancy and facilitates the exchange of nutrients and waste between the mother and the fetus. It can also be a pathway for certain infections to be transmitted from the mother to the fetus.

4. **Analyzing Each Option**:
- **Rabies**: This disease is primarily transmitted through bites from infected animals and is not known to be transmitted through the placenta.
- **German measles (Rubella)**: This is a viral infection that can be transmitted from the mother to the fetus through the placenta, leading to serious congenital defects.
- **Tetanus**: This disease is caused by bacteria and is generally not transmitted through the placenta; it is more associated with wounds and infections.
- **Influenza**: While influenza can affect pregnant women, it is not typically transmitted through the placenta to the fetus.

5. **Conclusion**: Among the options provided, German measles is the only disease that is known to be transmitted through the placenta from the mother to the fetus.

**Final Answer**: The disease which is transmitted through the placenta is **German measles**.

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