I guess, you should eat whatever you feel like. But do not eat spicy and food that is high in fat. Also do not take caffeine. Drink freshly taken out juices, fresh and nicely cooked vegetables or meat if you are a non-vegetarian.
http://www.nestle-family.com/nutrition-for-all/english/pregnancy-month-seven-eat-right-to-feel-good-this-month_926911.aspx
http://www.livestrong.com/article/339417-diet-food-in-the-seventh-month-of-pregnancy/