List the methods used to help infertile couples to have children.

Explanation

To help infertile couples conceive, several methods and assisted reproductive technologies (ART) can be employed. Here’s a step-by-step breakdown of these methods:

### Step-by-Step Solution:

1. **Artificial Insemination (AI)**:
- This technique is used when the male partner has low sperm count or is unable to inseminate the female partner.
- Semen from the male partner or a donor is directly introduced into the female's reproductive tract.

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