Postpartum mothers may have questions about what they can or cannot eat while breastfeeding, and what foods or drinks they should be especially careful about because they can contaminate the milk, which will affect the development of the baby. But before mothers eat any food while breastfeeding after giving birth. They should first check to see if those foods are forbidden foods that should be avoid while breastfeeding. 

• Avoid alcoholic beverages: For your child’s brain development
• Undercooked food and overnight food: Can easily cause diarrhea in pregnant women. 
• Avoid vegetables and fruits such as cruciferous vegetables, bananas, strawberries, cherries and prunes : They cause gas in the baby เล่นเกมคาสิโน UFABET ทันสมัย ฝากถอนง่าย, causing stomach bloating and flatulence.
• Seafood: Although seafood contains nutrients such as protein and omega 3. Which are beneficial foods, during breastfeeding mothers, they may need to be careful. Because some types of seafood may be contaminat with mercury. Which, if passed through breast milk, may affect the baby’s nervous system and development.
• Avoid foods such as soy milk, wheat, corn, and nuts: These can put your baby at risk of allergies. 
• Some citrus fruits, such as oranges and lemons: may cause your baby to develop a rash,colic, or feel uncomfortable.
• Foods make from cow’s milk: May cause your baby to be allergic to milk protein.
• Spicy food: affects the child’s mood,causing them to be easily irritat, cry incessantly, sleep less, and wake up quickly.
• Caffeinated drinks and snacks: Drinking or eating foods high in caffeine can disrupt a breastfed baby’s sleep. If you want to drink caffeine or eat foods that contain caffeine, limit it to 1-2 cups per day.

Finally, recommend to drinking water, mothers at this stage should drink about 8-10 glasses of water per day and if they are in a hot area, they may drink more, which will help to produce better milk.