New mothers with diabetes should be aware of foods to avoid for blood sugar control and postpartum health. These nine essential nutrition tips include steering clear of sugary snacks and desserts, avoiding sugary beverages, choosing low-sugar cereals, being cautious of hidden sugars in processed foods, opting for whole grains over refined ones, limiting fatty and fried foods, selecting lean protein over processed meats, moderating caffeine intake, and watching salt consumption to manage diabetes. Consulting healthcare providers and dietitians for personalized meal plans is crucial to a smoother postpartum experience.