Need pregnancy support? Want to know what unhealthy foods or substances you should avoid? And what is Pregnancy Nutrition? How to determine the appropriate weight gain for pregnancy? According to professionals, women in pregnancy should avoid certain unhealthy food to avoid suffering from Gestational Diabetes and any other gestational diseases.

According to professionals, women in pregnancy should avoid Caffeine, Alcohol, Nicotine, Medications, Some artificial sweeteners, Some fish and shellfish contain high levels of mercury, Unpasteurized milk and cheese, Raw sprouts and unpasteurized juices, Raw or undercooked meats, poultry or eggs, Certain meats and Prepared foods.

1. Caffeine: Caffeine crosses the placental barrier into the baby's blood when you are pregnant or breast-feeding. Limit your caffeine intake to less than 300 mg in one day.

2. Alcohol: Alcohol crosses the placental barrier and can cause fetal alcohol syndrome and permanent birth defects, especially if consumed in high quantities. Exposure to alcohol any time during pregnancy can affect the baby's brain.

3. Nicotine: Smoking during pregnancy increases the risk of a baby being born prematurely and underweight.

4. Medications: Illicit drugs, prescription inhalants and over-the-counter medications, and even certain herbal products can affect the unborn baby.

5. Some artificial sweeteners: Avoid using saccharin or cyclamates, and use artificial sweeteners moderately although evidence shows that they are safe for pregnant women.

6. Some fish and shellfish contain high levels of mercury: Mercury can affect the baby's developing nervous system. Avoid swordfish, marlin, and shark. Limit your intake tuna or salmon to two medium-sized cans of salmon or light tuna, one medium-size can of albacore tuna, or one fresh tuna steak per week. Avoid raw or undercooked shellfish, these may cause severe food poisoning if contaminated by bacteria.

7. Unpasteurized milk and cheese: These foods may contain bacteria called listeria, which are harmful to unborn babies.

8. Raw sprouts and unpasteurized juices: These may contain bacteria such as Salmonella and E. coli. These bacteria can cause serious illness in pregnant women and may also be passed on to the baby.

9. Raw or undercooked meats, poultry or eggs: These foods can contain bacteria and parasites that can harm an unborn baby.

10. Avoid meat patés, and all liver products because of the risk of listeria. Liver and liver products are rich in vitamin A, and high levels of vitamin A may also be harmful during pregnancy.

11. Prepared foods: These foods may also contain listeria that can harm an unborn baby.

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