Name the stage of human embryo at which it gets implanted. Explain the process of implantation.

Explanation

### Step-by-Step Solution

1. **Identify the Stage of Implantation**:
The stage of the human embryo at which it gets implanted in the uterus is known as the **blastocyst** stage.

2. **Fertilization and Formation of Zygote**:
The process begins with fertilization, where a sperm fertilizes an egg, forming a diploid zygote.

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