Healthy Eating During Pregnancy: 9 Nutritious Foods and Essential Diet Tips

Pregnancy increases the body's need for several nutrients needed to support both maternal health and the baby's growth and development.

But eating well during pregnancy does not mean finding one perfect food or following an expensive special diet.

The World Health Organization (WHO) recommends eating a variety of nutritious foods, including vegetables, fruits, whole grains, beans, nuts, dairy or suitable alternatives, meat, poultry and appropriately chosen fish.

Food safety is also especially important during pregnancy.

Here are nine nutritious foods and food groups that can help form the foundation of a balanced pregnancy diet.

1. Eggs

Eggs are a nutrient-dense source of:

• high-quality protein,
• choline,
• vitamin B12,
• selenium,
• and several other nutrients.

Choline deserves particular attention during pregnancy because it contributes to normal development.

Eggs are one of the better dietary sources of choline.

Other sources include:

• meat,
• poultry,
• fish,
• dairy products,
• beans,
• peas,
• and some other foods.

For food safety, eggs should be prepared according to pregnancy guidance in your country. Where the safety of raw or lightly cooked eggs cannot be assured, cook eggs thoroughly.

2. Beans, Lentils, Peas and Chickpeas

Legumes are an excellent addition to pregnancy meals.

Examples include:

• lentils,
• kidney beans,
• black beans,
• chickpeas,
• cowpeas,
• peas,
• and other locally available beans.

Depending on the type, they can provide:

• protein,
• fibre,
• folate,
• iron,
• potassium,
• and other nutrients.

Fibre may also help with constipation, which is common during pregnancy.

Beans and lentils can be added to:

• soups,
• stews,
• rice,
• salads,
• curries,
• and vegetable dishes.

3. Dark Green Leafy Vegetables

Vegetables such as:

• spinach,
• kale,
• broccoli,
• collard greens,
• and other dark leafy vegetables

provide combinations of folate, fibre and numerous vitamins and minerals.

Folate is particularly important before and during early pregnancy because it is involved in normal cell division and development.

However, eating folate-rich vegetables does not replace recommended folic acid supplementation.

That distinction is important.

Folate and Folic Acid Are Related but Not Identical

Folate is the general term for naturally occurring forms of vitamin B9 found in foods.

Folic acid is a form used in supplements and fortified foods.

Folic acid taken before conception and during early pregnancy helps prevent serious neural tube defects affecting the developing baby's brain and spine.

WHO recommends daily folic acid together with iron during pregnancy.

Supplement recommendations can vary according to an individual's circumstances, so follow the advice provided by your healthcare professional.

4. Lower-Mercury Fish

Fish can provide several important pregnancy nutrients, including:

• protein,
• omega-3 fatty acids,
• iodine,
• vitamin D,
• iron,
• zinc,
• and choline.

However, pregnancy advice about fish requires an important qualification:

Not all fish contain the same amount of mercury.

Mercury exposure is a concern because high levels can harm the developing nervous system.

Choose fish known to be lower in mercury.

Examples commonly found among lower-mercury choices include:

• salmon,
• sardines,
• shrimp,
• pollock,
• tilapia,
• trout,
• and some types of canned tuna.

Recommendations differ between countries and fish species, so follow your national food-safety authority's advice.

As one example, current FDA/EPA guidance in the United States recommends that pregnant people eat 2–3 servings per week from its “Best Choices” category.

It advises avoiding certain high-mercury species.

Locally caught fish may require additional advice because contamination varies by location.

What About Tuna During Pregnancy?

“Tuna” should not be treated as one single nutritional category.

Different tuna species can contain very different mercury concentrations.

For example, FDA guidance places canned light tuna among its lower-mercury “Best Choices,” while albacore/white tuna contains more mercury and is placed in its “Good Choices” category with a lower recommended frequency.

Bigeye tuna is among the FDA's fish to avoid during pregnancy because of its higher mercury level.

Check recommendations relevant to your country rather than assuming every type of tuna can be eaten in unlimited amounts.

5. Yogurt, Milk and Other Calcium-Rich Foods

Calcium is needed for normal bones and teeth and performs many other functions in the body.

Sources can include:

• milk,
• yogurt,
• cheese,
• calcium-fortified plant drinks,
• calcium-set tofu,
• sardines with edible bones,
• and certain vegetables.

Dairy foods can also provide:

• protein,
• vitamin B12,
• iodine,
• and other nutrients.

During pregnancy, choose pasteurized milk and dairy products where food-safety authorities recommend doing so.

Unpasteurized dairy can carry harmful bacteria.

People who do not consume dairy should pay particular attention to obtaining sufficient calcium from suitable alternatives.

6. Lean Meat and Poultry

Lean meat and poultry can provide:

• protein,
• iron,
• zinc,
• vitamin B12,
• and other nutrients.

Iron needs increase substantially during pregnancy.

Iron is required for haemoglobin, the protein in red blood cells responsible for carrying oxygen.

Insufficient iron can contribute to iron-deficiency anaemia.

Plant sources of iron include:

• beans,
• lentils,
• fortified cereals,
• tofu,
• seeds,
• and some vegetables.

Eating vitamin C-rich foods alongside plant sources of iron can improve iron absorption.

Examples include:

• oranges,
• peppers,
• tomatoes,
• kiwi,
• and other fruits and vegetables.

Meat and poultry should be properly cooked during pregnancy to reduce the risk of foodborne illness.

7. Whole Grains and Nutritious Starchy Foods

Carbohydrate-rich foods are an important source of energy.

Nutritious choices can include:

• oats,
• whole-grain bread,
• brown rice,
• whole-grain pasta,
• millet,
• maize,
• quinoa,
• barley,
• potatoes,
• and sweet potatoes.

Whole grains can provide fibre along with vitamins and minerals.

Healthy diets differ considerably across cultures, so pregnancy nutrition does not require abandoning traditional staple foods.

Instead, build balanced meals around appropriate portions of staple carbohydrates combined with vegetables, protein and healthy fats.

8. Fruit

Fruit contributes:

• vitamins,
• minerals,
• fibre,
• water,
• and beneficial plant compounds.

Examples include:

• oranges,
• bananas,
• apples,
• berries,
• mangoes,
• pawpaw/papaya,
• watermelon,
• pears,
• avocado,
• and other locally available fruit.

Choose a variety.

Whole fruit generally provides more fibre than fruit juice.

Fruit should be washed properly before eating or cutting it.

Pregnant women are more susceptible to certain foodborne infections, making good food hygiene particularly important.

9. Nuts and Seeds

Nuts and seeds are convenient sources of:

• unsaturated fats,
• protein,
• fibre,
• vitamins,
• and minerals.

Examples include:

• walnuts,
• peanuts,
• almonds,
• cashews,
• pumpkin seeds,
• sesame seeds,
• sunflower seeds,
• and chia seeds.

Choose unsalted varieties where practical.

Unless you have an allergy or have specifically been advised otherwise by a healthcare professional, pregnancy itself does not normally require avoiding peanuts or other nuts simply because they are common allergens.

Important Nutrients During Pregnancy

A varied diet helps provide many nutrients, but pregnancy increases the importance of several in particular.

Folic Acid

Folic acid is essential around conception and early pregnancy because adequate intake substantially reduces the risk of neural tube defects.

WHO currently recommends daily oral supplementation during pregnancy containing 400 micrograms (0.4 mg) of folic acid, together with iron.

Some people require a different folic-acid dose because of their medical history or medicines.

Do not increase the dose yourself. Follow individualized medical advice.

Ideally, folic acid supplementation begins before pregnancy, because the neural tube develops very early—sometimes before someone realizes they are pregnant.

Iron

Pregnancy increases iron requirements.

WHO recommends daily iron and folic acid supplementation during pregnancy to reduce maternal anaemia and certain adverse pregnancy outcomes.

Current WHO guidance recommends 30–60 mg of elemental iron plus 400 micrograms of folic acid daily during pregnancy.

This is international public-health guidance; individual recommendations may differ.

Iron supplements can sometimes cause:

• constipation,
• nausea,
• stomach discomfort,
• or dark stools.

Speak with your healthcare professional rather than discontinuing prescribed supplementation without advice.

Iodine

Iodine is required for thyroid hormone production and contributes to normal fetal brain and nervous-system development.

Dietary sources can include:

• seafood,
• dairy,
• eggs,
• and iodized salt.

Iodine availability in foods varies considerably worldwide.

Some pregnant people may be advised to take iodine supplements.

Do not take high-dose iodine supplements without professional guidance because excessive iodine can also be harmful.

Choline

Choline is another important pregnancy nutrient.

Sources include:

• eggs,
• meat,
• poultry,
• fish,
• dairy products,
• soy foods,
• beans,
• and some vegetables.

People following vegan or highly restrictive diets may need to pay particular attention to choline intake.

Calcium

Calcium supports the development of bones and teeth and has many functions in the mother's body.

Dietary sources include:

• dairy products,
• fortified alternatives,
• calcium-set tofu,
• sardines with edible bones,
• and some vegetables.

WHO recommends calcium supplementation during pregnancy in populations where dietary calcium intake is low to help reduce the risk of pre-eclampsia.

This does not mean every pregnant person should automatically start a high-dose calcium supplement.

Discuss individual needs with a healthcare professional.

Vitamin D

Vitamin D is important for bone health and calcium metabolism.

Sources include:

• sunlight exposure,
• oily fish,
• egg yolks,
• fortified foods,
• and supplements.

Vitamin D status can be influenced by:

• geographical location,
• season,
• skin pigmentation,
• clothing,
• sun exposure,
• and diet.

Supplement recommendations vary internationally.

Follow local pregnancy guidance or advice from your healthcare professional.

Vitamin B12

Vitamin B12 is essential for healthy blood and neurological function.

Sources include:

• meat,
• fish,
• eggs,
• dairy products,
• and fortified foods.

People following a vegan diet need a reliable source of vitamin B12.

Deficiency during pregnancy can have serious consequences, so appropriate supplementation should be discussed with a healthcare professional or dietitian.

Do You Need to “Eat for Two”?

No.

Pregnancy increases nutritional requirements, but “eating for two” does not mean eating twice as much food.

Energy requirements change through pregnancy and vary between individuals.

The appropriate amount depends on factors such as:

• pre-pregnancy body size,
• stage of pregnancy,
• activity,
• whether carrying more than one baby,
• and individual health.

Concentrate on nutrient quality and appropriate portions rather than doubling your food intake.

Food Safety During Pregnancy

Food safety becomes particularly important because pregnancy increases vulnerability to certain foodborne infections.

CDC notes that pregnant women are substantially more likely than other people to develop Listeria infection.

Safe food practices include:

• washing hands before food preparation,
• washing fruit and vegetables,
• separating raw meat from ready-to-eat foods,
• cooking meat, poultry, seafood and eggs appropriately,
• refrigerating perishable food promptly,
• and avoiding cross-contamination.

Remember four basic food-safety principles:

Clean. Separate. Cook. Chill.

Foods That May Need to Be Avoided or Limited

Recommendations vary internationally, but pregnancy food-safety guidance commonly advises caution with:

• raw or undercooked meat,
• raw or undercooked eggs where their safety cannot be assured,
• unpasteurized milk and dairy products,
• certain soft cheeses unless made and handled safely,
• raw or undercooked seafood,
• high-mercury fish,
• refrigerated smoked seafood unless appropriately cooked,
• unwashed produce,
• raw sprouts,
• and foods with increased risk of Listeria or other foodborne infections.

Local recommendations should take priority because food production and safety systems differ between countries.

What About Caffeine?

Caffeine crosses the placenta.

It is found in:

• coffee,
• tea,
• cola,
• energy drinks,
• chocolate,
• and some medicines.

Pregnancy guidelines commonly recommend limiting caffeine rather than necessarily eliminating it completely.

The exact recommended maximum varies among health authorities.

Remember that caffeine from all sources contributes to the daily total.

Energy drinks may contain substantial amounts of caffeine and other stimulants and are generally not a good choice during pregnancy.

Alcohol During Pregnancy

The safest approach is to avoid alcohol during pregnancy.

Alcohol can pass from the mother's bloodstream to the developing baby.

There is no established amount of alcohol known to be completely safe during pregnancy.

If you drank alcohol before realizing you were pregnant and are concerned, discuss this with your healthcare professional rather than panicking or avoiding prenatal care.

Vegetarian and Vegan Pregnancy

A well-planned vegetarian or vegan diet can provide many necessary nutrients during pregnancy, but careful planning is particularly important.

Nutrients requiring attention may include:

• vitamin B12,
• iron,
• iodine,
• calcium,
• vitamin D,
• choline,
• zinc,
• protein,
• and omega-3 fatty acids.

Vitamin B12 is particularly important for vegan diets.

A registered dietitian or appropriately qualified healthcare professional can help ensure nutritional needs are being met.

Should You Take a Prenatal Vitamin?

Prenatal supplementation recommendations vary internationally and according to individual health.

Food should provide a broad range of nutrients, but diet alone may not reliably provide everything required during pregnancy.

Folic acid and iron are particularly important.

Do not assume that taking several different supplements simultaneously is safer.

Excessive intake of some nutrients can be harmful.

Always check:

• ingredients,
• dosages,
• duplicate nutrients,
• and whether a product is intended for pregnancy.

Discuss supplements with a healthcare professional.

Be Careful With Vitamin A Supplements

Vitamin A is necessary for health, but excessive preformed vitamin A during pregnancy can harm the developing baby.

Pregnant people should not take high-dose vitamin A or retinol supplements unless specifically prescribed.

This is another reason not to combine multiple vitamin products without checking their ingredients.

Beta-carotene from foods such as carrots and sweet potatoes is different from taking excessive amounts of preformed vitamin A in supplements.

A Simple Pregnancy Meal Example

Healthy pregnancy meals do not have to be complicated.

For example:

Breakfast:
Oatmeal with pasteurized milk or fortified plant drink, fruit and nuts.

Lunch:
Rice or another grain with beans, cooked vegetables and avocado.

Snack:
Fruit with pasteurized yogurt or nuts.

Dinner:
Lower-mercury cooked fish, chicken, tofu or lentils with vegetables and potatoes, rice or another staple food.

These are only examples.

Meals should be adapted to:

• culture,
• food availability,
• budget,
• allergies,
• medical conditions,
• and personal preferences.

Pregnancy Nutrition Is Not One Universal Menu

A healthy pregnancy diet does not need to consist entirely of foods commonly found in Western diet plans.

Nutritious pregnancy meals can incorporate traditional foods from Africa, Asia, Europe, the Americas, the Middle East and elsewhere.

The key principles remain:

• variety,
• adequate nutrients,
• appropriate portions,
• safe preparation,
• and professional guidance where necessary.

When to Seek Nutrition Advice

Talk to your maternity healthcare professional or a qualified dietitian if you:

• have severe nausea or vomiting,
• cannot keep food or fluids down,
• are losing weight unexpectedly,
• have anaemia,
• have diabetes,
• follow a highly restricted diet,
• have undergone bariatric surgery,
• have food allergies,
• are carrying twins or multiples,
• have a diagnosed nutritional deficiency,
• or are unsure which supplements you need.

Persistent vomiting with inability to maintain hydration requires medical assessment.

The Bottom Line

A healthy pregnancy diet is based on variety rather than one miracle food.

Nine nutritious food groups worth including are:

1. eggs,
2. beans and lentils,
3. dark green vegetables,
4. lower-mercury fish,
5. pasteurized dairy or suitable calcium-rich alternatives,
6. lean meat, poultry or plant proteins,
7. whole grains and nutritious starchy foods,
8. fruit,
9. nuts and seeds.

Pregnancy also requires particular attention to nutrients such as:

• folic acid,
• iron,
• iodine,
• choline,
• calcium,
• vitamin D,
• and vitamin B12.

Food safety is just as important as nutritional quality.

Eat a varied diet, follow appropriate prenatal supplementation advice and discuss individual nutritional needs with your healthcare professional.

Medical Disclaimer

This article provides general educational information for an international audience and does not replace prenatal care, individualized nutritional advice or medical diagnosis. Pregnancy nutrition, supplement doses, food-safety recommendations and fish guidance may differ between countries and individuals. Follow the advice of your maternity healthcare professional and relevant national health authority.

Sources and Further Reading

World Health Organization — Eating Healthy Food During Pregnancy

https://www.who.int/tools/your-life-your-health/life-phase/pregnancy--birth-and-after-childbirth/eating-healthy-food-during-pregnancy

World Health Organization — Daily Iron and Folic Acid Supplementation During Pregnancy

https://www.who.int/tools/elena/interventions/daily-iron-pregnancy

World Health Organization — Nutrition Counselling During Pregnancy

https://www.who.int/tools/elena/interventions/nutrition-counselling-pregnancy

Centers for Disease Control and Prevention — Safer Food Choices for Pregnant Women

https://www.cdc.gov/food-safety/foods/pregnant-women.html

Centers for Disease Control and Prevention — Folic Acid: Sources and Recommended Intake

https://www.cdc.gov/folic-acid/about/intake-and-sources.html

U.S. Food and Drug Administration — Advice About Eating Fish

https://www.fda.gov/food/consumers/advice-about-eating-fish