Expand the terms: ZIFT, VD, IUT and RTL.

Explanation

**Step-by-Step Text Solution:**

1. **ZIFT**: The full form of ZIFT is **Zygote Intrapallopian Transfer**. This technique is used in the treatment of infertility. It involves fertilizing an egg outside the body and then transferring the zygote into the fallopian tube.

2. **VD**: The full form of VD is **Venereal Disease**. This term refers to sexually transmitted diseases (STDs) that are spread through unprotected sexual contact with an infected person.

3. **IUT**: The full form of IUT is **Intrauterine Transfer**. This is another method used in the treatment of infertility, where fertilized eggs are placed directly into the uterus.

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