Nutrition During Pregnancy: What to Eat More Of and What to Avoid

Essential Nutrients and Foods to Emphasize

Fruits and Vegetables
Aim for a variety of colorful produce daily. Fruits and vegetables provide essential vitamins, minerals, and fiber, which support digestion and overall health. They are especially important for supplying vitamin C and folate.

Protein
Protein supports your baby’s tissue and organ development. Include lean meats, poultry, fish, eggs, beans, lentils, nuts, and dairy or fortified soy products in your meals.

Whole Grains
Choose whole-grain bread, brown rice, quinoa, and whole-wheat pasta. These provide energy, fiber, and important B vitamins.

Calcium-Rich Foods
Calcium is vital for your baby’s bone and teeth development. Dairy products, fortified plant-based milks, tofu, leafy greens, and almonds are good sources.

Iron
Iron supports increased blood volume and oxygen delivery to your baby. Lean red meat, poultry, fish, beans, lentils, iron-fortified cereals, and leafy greens are excellent choices. Pair plant-based iron sources with vitamin C-rich foods (like citrus or tomatoes) to enhance absorption.

Folate/Folic Acid
Folate (the natural form) and folic acid (the synthetic form) help prevent neural tube defects. Leafy greens, citrus fruits, beans, lentils, fortified cereals, and bread are good sources. Most prenatal vitamins include at least 400 mcg of folic acid, but check with your provider for your specific needs.

Omega-3 Fatty Acids
DHA and EPA, found in fatty fish like salmon and sardines, support your baby’s brain and eye development. Fish oil supplements and omega-3-fortified eggs are also options.

Vitamin D
Vitamin D works with calcium to build strong bones. Fatty fish, fortified dairy or plant milks, and safe sunlight exposure help meet your needs.

Hydration
Drink plenty of water—aim for at least 8–10 glasses daily. Staying hydrated helps with digestion, prevents constipation, and supports amniotic fluid volume.

Foods and Substances to Limit or Avoid

Raw or Undercooked Meats, Fish, Eggs
Avoid raw sushi, undercooked eggs (including runny yolks), and rare meats to reduce the risk of foodborne illnesses like salmonella and listeria.

Unpasteurized Dairy and Juices
Unpasteurized (raw) milk, cheeses (like brie, camembert, and some blue cheeses), and juices can harbor harmful bacteria.

High-Mercury Fish
Avoid fish high in mercury, such as shark, swordfish, king mackerel, and tilefish. Limit albacore (white) tuna. Opt instead for salmon, sardines, trout, and other low-mercury fish, up to two servings per week.

Excess Caffeine
Limit caffeine to 200 mg per day (about one 12-ounce cup of coffee). High caffeine intake may increase miscarriage risk.

Alcohol
No amount of alcohol is considered safe during pregnancy. Alcohol can cause birth defects and developmental issues.

Processed Junk Foods
Minimize sugary snacks, sodas, and highly processed foods. These offer empty calories and few nutrients, and may contribute to excessive weight gain.

Artificial Sweeteners and Certain Herbal Teas
Some artificial sweeteners and herbal teas (such as those containing black cohosh or large amounts of licorice root) may not be safe during pregnancy. Ask your healthcare provider for guidance.

Excess Vitamin A
While vitamin A is important, excessive amounts (especially from supplements or animal liver) can be harmful. Choose plant-based sources like sweet potatoes and carrots over organ meats.

Sample Daily Eating Plan for Pregnancy

  • Breakfast: Oatmeal with berries, a boiled egg, and a glass of fortified milk or fortified soy milk.
  • Snack: Greek yogurt with a handful of almonds.
  • Lunch: Grilled chicken salad with spinach, tomatoes, chickpeas, and whole-grain bread.
  • Snack: Apple slices with peanut butter.
  • Dinner: Baked salmon, quinoa, steamed broccoli, and a side of roasted sweet potatoes.
  • Snack: Fresh fruit or vegetable sticks.

Key Takeaways

  • Eat a balanced diet rich in fruits, vegetables, whole grains, lean proteins, dairy or fortified alternatives, and healthy fats.
  • Focus on iron, calcium, folate/folic acid, protein, and omega-3s to support your baby’s growth and development.
  • Avoid raw and undercooked foods, unpasteurized products, high-mercury fish, alcohol, and excess caffeine.
  • Stay hydrated and limit processed junk foods.
  • Take a prenatal vitamin as directed by your healthcare provider to fill any nutritional gaps.

Always consult your healthcare provider or a registered dietitian for personalized nutrition advice during pregnancy.

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