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 a progesterone antagonist and acts as an abortion drug?", we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Question**: We need to identify a drug that acts as a progesterone antagonist and is used for abortion.

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

3. **Define Progesterone Antagonist**: A progesterone antagonist is a drug that blocks the action of progesterone, which is a hormone that supports pregnancy. By blocking this hormone, the drug can induce abortion.

4. **Evaluate Each Option**:
- **Saheli**: This is a contraceptive pill and does not act as a progesterone antagonist.
- **Mifepristone**: This drug is known to be a progesterone antagonist and is commonly used for medical abortion. It is also referred to as RU486.
- **Malayan**: This option does not refer to a known drug related to abortion or progesterone antagonism.
- **Depo-Provera**: This is a contraceptive injection that contains progestin, which mimics progesterone, and does not act as an antagonist.

5. **Select the Correct Answer**: Based on the evaluation, the correct answer is **B) Mifepristone**.

### Final Answer:
The drug that is a progesterone antagonist and acts as an abortion drug is **Mifepristone**.

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