Here are some healthy foods to include in your diet during the first trimester: 1. Leafy Greens: Spinach, kale, and other leafy greens are rich in folate, which is essential for fetal development and helps prevent neural tube defects. 2. Citrus Fruits: Oranges, grapefruits, and lemons are high in vitamin C, which supports the immune system and helps with iron absorption. 3. Legumes: