Hormone required for the formation , growth and maintenance of corpus luteum is

Options

A. Progesterone
B. Estrogen
C. LH
D. Thyroxine

Answer

To answer the question about the hormone required for the formation, growth, and maintenance of the corpus luteum, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Corpus Luteum**: The corpus luteum is a temporary endocrine structure in the ovaries that is involved in the production of hormones, primarily progesterone, after ovulation.

2. **Identify the Hormones Involved**: The question asks for a specific hormone that is crucial for the formation, growth, and maintenance of the corpus luteum. The main hormones to consider are:
- Progesterone
- Estrogen
- Luteinizing Hormone (LH)
- Thyroxine

3. **Evaluate Each Option**:
- **Progesterone**: While progesterone is produced by the corpus luteum and is essential for maintaining pregnancy, it is not the hormone responsible for the formation and growth of the corpus luteum itself.
- **Estrogen**: This hormone plays a role in regulating the menstrual cycle but does not directly cause the formation or maintenance of the corpus luteum.
- **Luteinizing Hormone (LH)**: This hormone is secreted by the anterior pituitary gland and is crucial for triggering ovulation. After ovulation, LH supports the formation and maintenance of the corpus luteum.
- **Thyroxine**: This hormone is primarily involved in metabolic processes and does not have a role in the formation or maintenance of the corpus luteum.

4. **Select the Correct Answer**: Based on the evaluation, the hormone that is required for the formation, growth, and maintenance of the corpus luteum is **Luteinizing Hormone (LH)**.

### Final Answer:
The hormone required for the formation, growth, and maintenance of the corpus luteum is **Luteinizing Hormone (LH)**.

---