1. Nutritional Facts of Fruit Orange Fruit Orange is a very popular drink. It not only tastes delicious, but is also rich in vitamin C, potassium, calcium and other nutrients. Vitamin C is one of the essential antioxidants for pregnant women. It can enhance immunity, promote iron absorption, and prevent anemia and other diseases. 2. Can pregnant women drink oranges? Although oranges are rich in nutrients, they are not suitable for pregnant women.