List various natural methods of birth control.

Explanation

**Step-by-Step Solution:**

1. **Understanding Natural Birth Control:**
- Natural birth control methods are ways to prevent pregnancy without the use of medications or physical devices. They rely on awareness of the body's natural reproductive cycle.

2. **Barrier Methods:**
- While the video mentions barrier methods, these are not classified as natural methods. However, for clarity, barrier methods include condoms, diaphragms, sponges, and cervical caps. These are typically used to physically block sperm from reaching the egg.

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