What Can’T You Eat During Pregnancy?

Most pregnant women in the US are told to avoid a short list of foods, and that list is shorter than the internet makes it seem. The main ones are raw or undercooked meat and fish, unpasteurized dairy, raw sprouts, high-mercury fish, and alcohol. Caffeine and certain deli meats get limited rather than banned. Everything else is mostly a question of how it is handled and cooked.

The reason behind almost every restriction is the same: infection or contamination that a pregnant immune system handles less well, and that can reach the fetus. Knowing which foods carry that risk, and why, makes the rules easier to remember than a list you look up in the grocery aisle.

Why Are Some Foods Off-Limits During Pregnancy?

Pregnancy changes how the body handles infection. The immune system shifts so it does not reject the fetus, which means some foodborne illnesses hit harder and last longer than they would otherwise. Two organisms cause most of the concern: Listeria monocytogenes and Toxoplasma gondii.

Listeria is unusual because it can cross the placenta. In most healthy adults it causes mild flu-like symptoms or none at all, so it often goes unnoticed. In pregnancy it can cause miscarriage, stillbirth, premature birth, or serious infection in a newborn. The CDC notes that pregnant women are about 10 times more likely than other healthy adults to get listeriosis, and Hispanic pregnant women face a particularly elevated risk.

Toxoplasma is a parasite found in undercooked meat, unwashed produce, and cat feces. It can cause vision problems, hearing loss, and intellectual disability in a developing fetus. Many people infected have no symptoms at all.

A third concern is mercury, which is not an infection but a neurotoxin. It accumulates in certain large fish and can affect the baby’s developing brain and nervous system. This is why the fish guidance is about choosing the right fish, not avoiding fish entirely.

What Can’t You Eat During Pregnancy? The Full List

This is the list to keep in mind. It combines raw or undercooked animal products, unpasteurized foods, and a few raw plant foods where contamination is common.

• Raw or undercooked meat — including rare steak, raw ground beef, and undercooked poultry. Cook whole cuts to at least 145°F, ground meats to 160°F, and poultry to 165°F.
• Raw or undercooked fish and shellfish — sushi made with raw fish, ceviche, raw oysters, and clams. Cooked sushi is generally fine.
• Refrigerated smoked seafood — things like smoked salmon labeled “nova,” “lox,” “kippered,” or “jerky,” unless it is cooked into a dish. Shelf-stable canned versions are considered safe.
• Unpasteurized milk and soft cheeses made from it — brie, camembert, feta, queso fresco, and blue cheese are the usual culprits unless the label says pasteurized.
• Raw or lightly cooked eggs — raw cookie dough, homemade Caesar dressing, hollandaise, and runny yolks. Cook eggs until both yolk and white are firm.
• Raw sprouts — alfalfa, clover, mung bean, and radish sprouts. Sprout seeds can harbor bacteria that washing does not remove.
• High-mercury fish — shark, swordfish, king mackerel, tilefish, marlin, orange roughy, and bigeye tuna.
• Unpasteurized juices and cider — unless you boil them first.
• Raw or undercooked deli meats and hot dogs — unless heated until steaming.
• Alcohol — no amount is considered safe in pregnancy.
• Raw dough or batter — the risk is both raw egg and raw flour, which can carry bacteria.
• Unwashed raw produce — wash everything under running water before eating.

One thing people often miss: raw flour is on this list. Flour is not sterilized, and outbreaks of E. coli linked to raw flour have occurred. Licking the spoon is a real risk, not a symbolic one.

Is Caffeine Off-Limits During Pregnancy?

Caffeine is limited, not banned. Most major health organizations, including the American College of Obstetricians and Gynecologists and the CDC, advise keeping caffeine under 200 milligrams per day during pregnancy. That is roughly one 12-ounce cup of coffee.

The concern is that caffeine crosses the placenta, and the fetus metabolizes it far more slowly than an adult does. High intakes have been associated with miscarriage and low birth weight in some studies, though the evidence is not uniform. Staying under the 200 mg limit is the standard guidance.

The trick is that caffeine hides in more than coffee. A 12-ounce soda can have 30 to 40 mg. A shot of espresso has around 64 mg. Black tea has roughly 47 mg per 8 ounces. Chocolate, some energy drinks, and certain medications add more. If you drink coffee, tea, and soda in the same day, the total adds up faster than most people expect.

Are Deli Meats and Hot Dogs Safe During Pregnancy?

Cold deli meat is the classic listeria risk. The bacteria can grow at refrigerator temperatures, which is unusual, and sliced meat can become contaminated after cooking during the slicing process. This is why the guidance is not “never eat deli meat” but “heat it until steaming first.”

Heating deli meat to steaming — around 165°F — kills listeria. If you want a turkey sandwich, microwave the meat until it is hot, then let it cool or eat it warm. Hot dogs should be heated the same way. Unheated hot dogs straight from the package carry the same concern.

Some clinicians say that fresh, well-handled deli meat from a clean counter is low risk, and many pregnant women eat cold sandwiches without issue. But the official guidance from the CDC and ACOG is to heat it first, and that is the safer position to follow.

What About Fish — Which Kinds Are Safe?

Fish is not off-limits. In fact, the FDA recommends pregnant women eat 8 to 12 ounces of low-mercury fish per week, because the omega-3 fatty acids support the baby’s brain development. The problem is only with the high-mercury species.

Low-mercury options include salmon, sardines, anchovies, trout, tilapia, cod, and canned light tuna. Canned light tuna is lower in mercury than albacore, which should be limited to about 6 ounces per week. The FDA advises avoiding shark, swordfish, king mackerel, tilefish, marlin, orange roughy, and bigeye tuna entirely during pregnancy.

One clarification worth knowing: the “no more than 6 ounces of albacore per week” guidance is about mercury load, not about a single meal being dangerous. It is a weekly average, not a hard per-meal cap.

What About Cheese and Dairy?

The rule for cheese is about pasteurization, not about cheese itself. Unpasteurized soft cheeses are the risk. Pasteurized versions of the same cheeses are generally considered safe.

Soft cheeses to check the label on include brie, camembert, feta, queso fresco, queso blanco, panela, and blue cheese. If the label says “made with pasteurized milk,” it is fine. Hard cheeses like cheddar, parmesan, and Swiss are safe regardless, because their low moisture and acidity do not support listeria growth.

Unpasteurized milk and yogurt carry the same risk as unpasteurized cheese. Pasteurized milk, yogurt, and ice cream are fine.

What About Fruits, Vegetables, and Other Foods?

Fruits and vegetables are not off-limits — they are encouraged. The issue is washing. Raw produce can carry listeria, E. coli, and toxoplasma from soil or handling. Rinse everything under running water, even if you plan to peel it, because bacteria on the outside can transfer to the inside when you cut.

Raw sprouts are the one vegetable category to avoid entirely. The seeds themselves can be contaminated, and the warm, humid conditions used to sprout them are ideal for bacterial growth. Cooking kills the bacteria, so cooked sprouts are acceptable.

Unpasteurized juices and cider should be avoided or boiled first. Fresh-squeezed juice from a clean, washed source is lower risk, but commercial unpasteurized juice has caused outbreaks. When in doubt, pasteurized is the safer choice.

Leftovers should be refrigerated within two hours and reheated until steaming. This is general food safety, but it matters more during pregnancy because listeria grows at cold temperatures, so old leftovers are not automatically safe just because they were refrigerated.

What About Alcohol and Other Drinks?

No amount of alcohol is considered safe during pregnancy. This is not a gray area in the guidance. The CDC, ACOG, and the Surgeon General all advise complete abstinence, because no safe threshold has been established and alcohol can cause fetal alcohol spectrum disorders.

Herbal teas and supplements deserve a mention. Many are not studied in pregnancy, and some herbs can affect uterine tone or hormone levels. The honest position is that the evidence for most herbal products in pregnancy is limited, and it is worth asking a clinician before using them rather than assuming “natural” means safe.