A healthy diet plays a key role in the human reproductive system. Nutrition will impact the egg quality, sperm function, and hormone balance for conception. Here are the best foods for egg quality: ★Berries (blueberries, strawberries), ★Leafy Greens, ★Avocado, ★Nuts and Seeds (walnuts, flaxseeds, chia), ★Whole Grains (quinoa, oats, brown rice).