Which of the following assisted reproductive technique is not included under the test-tube baby programme ?

Options

A. GIFT
B. ZIFT
C. IUT
D. IVF

Answer

To solve the question regarding which assisted reproductive technique is not included under the test-tube baby program, we will analyze each option provided.

### Step-by-step Solution:

1. **Understanding the Test-Tube Baby Program**:
- The term "test-tube baby" refers to the process of in vitro fertilization (IVF), where fertilization occurs outside the body, typically in a laboratory setting. The resulting zygote or embryo is then implanted into the uterus.

2. **Analyzing the Options**:
- **Option A: ZIFT (Zygote Intra-Fallopian Transfer)**:
- In ZIFT, fertilization occurs outside the body (in vitro), and the zygote (or early embryo) is then transferred into the fallopian tube. This technique is part of the test-tube baby program because fertilization happens in vitro.

- **Option B: GIFT (Gamete Intra-Fallopian Transfer)**:
- In GIFT, both the eggs and sperm are placed directly into the fallopian tube, where fertilization occurs naturally inside the body. This means that fertilization does not occur in vitro, so GIFT is not included in the test-tube baby program.

- **Option C: IUT (Intrauterine Transfer)**:
- IUT involves transferring an embryo that has been fertilized in vitro directly into the uterus. This method is part of the test-tube baby program since the fertilization occurs outside the body.

- **Option D: IVF (In Vitro Fertilization)**:
- IVF is the core of the test-tube baby program, where fertilization occurs outside the body, and the resulting embryo is implanted into the uterus.

3. **Conclusion**:
- Among the options, GIFT (Gamete Intra-Fallopian Transfer) is the only technique where fertilization does not occur in vitro, making it the correct answer to the question.

### Final Answer:
**GIFT (Gamete Intra-Fallopian Transfer)** is the assisted reproductive technique that is not included under the test-tube baby program.

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