What is parturition? Name the hormone involved in induction of parturition.

Explanation

**Step-by-Step Solution:**

1. **Definition of Parturition**:
- Parturition is the process of childbirth or delivery of a baby. It marks the end of pregnancy when the fetus is expelled from the uterus.

2. **Hormones Involved in Parturition**:
- The two main hormones involved in the induction of parturition are **oxytocin** and **relaxin**.

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