Give a scientific term for an act of expelling the full term foetus from mother's uterus at the end of gestation.

Explanation

### Step-by-Step Solution:

1. **Understanding the Question**: The question asks for a scientific term that describes the act of expelling a fully developed fetus from the mother's uterus at the end of gestation.

2. **Identifying the Process**: At the end of gestation, which typically lasts about nine months, the fetus is fully developed and ready for birth.

3. **Role of Hormones**: The fully developed fetus and placenta send signals to the mother’s pituitary gland, which then releases the hormone oxytocin.

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