Which of the following drug is progesterone antagonist and acts as an abortion drug ?

Options

A. Saheli
B. Mifepristone
C. Mala-N
D. Depo-Provera

Answer

To solve the question "Which of the following drug is progesterone antagonist and acts as an abortion drug?", we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Question**: The question is asking for a drug that is a progesterone antagonist and is used for abortion.

2. **Identify the Options**: The options given are:
- A) Saheli
- B) Mifepristone
- C) Mala
- D) Depo-Provera

3. **Define Progesterone Antagonist**: A progesterone antagonist is a substance that blocks the action of progesterone, a hormone that plays a key role in maintaining pregnancy.

4. **Analyze Each Option**:
- **Saheli**: This is a contraceptive pill, not an abortion drug.
- **Mifepristone**: This is known as an anti-progesterone drug and is used to terminate pregnancies.
- **Mala**: This is also a contraceptive pill, not an abortion drug.
- **Depo-Provera**: This is an injectable contraceptive, not used for abortion.

5. **Conclusion**: The only drug among the options that is a progesterone antagonist and acts as an abortion drug is **Mifepristone**.

### Final Answer:
The correct answer is **B) Mifepristone**.