List the function of relaxin.

Explanation

### Step-by-Step Solution:

1. **Identify the Source of Relaxin**:
- Relaxin is a hormone that is produced by the corpus luteum, which is a structure formed in the ovary after ovulation.

2. **Understand the Primary Functions of Relaxin**:
- The main functions of relaxin include:
- **Relaxation of Pelvic Ligaments**: Relaxin helps to relax the ligaments in the pelvis, which is crucial during pregnancy and childbirth.
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