In which of the following assisted reproductive techniques the cryopreserved semen is utilized to achieve Fertilization ?

Options

A. Intrauterine insemination
B. Gamete in fertilization technology
C. Gameta intra fallopian transfer
D. Intrauterine contraceptive technique

Answer

To solve the question regarding which assisted reproductive technique utilizes cryopreserved semen to achieve fertilization, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding the Question**: The question asks which assisted reproductive technique uses cryopreserved (frozen) semen for fertilization.

2. **Reviewing the Options**:
- **Option A: Intrauterine Insemination (IUI)**: This technique involves placing sperm directly into the uterus. It often uses cryopreserved semen.
- **Option B: Gamete Infertilization Technology**: This term is not commonly used in the context of assisted reproductive techniques and may refer to various methods but does not specifically indicate the use of cryopreserved semen.
- **Option C: Gamete Intrapallopian Transfer (GIFT)**: This method involves transferring both sperm and eggs into the fallopian tubes but does not specifically mention the use of cryopreserved semen.
- **Option D: Intrauterine Contraceptive Technique**: This is a method of contraception and does not involve fertilization or the use of semen.

3. **Identifying the Correct Technique**: Among the options, Intrauterine Insemination (IUI) is the only method that explicitly involves the use of cryopreserved semen to achieve fertilization.

4. **Conclusion**: The correct answer is **Intrauterine Insemination (IUI)**, as it is a recognized assisted reproductive technique that utilizes cryopreserved semen.

### Final Answer:
**Intrauterine Insemination (IUI)**