Pregnancy changes the way you think about everyday food. A soft cheese, takeaway sushi or chilled deli sandwich may suddenly come with questions. The good news is that most foods are still safe, and pregnancy food safety is mainly about avoiding a smaller group of higher-risk foods and handling everyday meals carefully.
Pregnancy can make some foodborne infections more serious. Listeria is a particular concern because infection can affect the baby even when the mother has only mild symptoms. Other risks include Salmonella, Toxoplasma, excess vitamin A from liver, and high mercury levels in certain fish. Guidance varies slightly by country, so follow your local maternity service if it gives more specific advice.
Unpasteurised milk and higher-risk cheeses
Avoid unpasteurised milk and foods made from it unless they are cooked thoroughly. Pasteurisation reduces harmful bacteria, including Listeria. When buying milk, yoghurt, cream or cheese, check the label rather than assuming a product is pasteurised.
Soft mould-ripened or blue-veined cheeses can need extra care depending on local guidance. In the UK, for example, brie, camembert and soft blue cheese should be cooked until steaming hot during pregnancy, while many pasteurised soft cheeses such as mozzarella, feta, paneer and cream cheese are considered safe. If unsure, choose a pasteurised option and check current local advice.
Raw or undercooked meat and poultry
Raw and undercooked meat can carry organisms that cause food poisoning or toxoplasmosis. Cook poultry, minced meat, burgers, sausages and rolled joints thoroughly. Avoid tasting raw meat mixtures while cooking, and keep raw meat away from foods that will be eaten without further cooking.
Cold cured meats and ready-to-eat deli meats deserve extra attention because some can carry Listeria. A cautious approach is to heat higher-risk chilled meats until steaming hot before eating them. When ordering a toasted sandwich, ask for the meat to be heated through, not simply warmed on the outside.
Liver, liver products and too much vitamin A
Liver and liver products should be avoided during pregnancy because they contain high levels of preformed vitamin A, or retinol. Too much can harm a developing baby. The same caution applies to supplements containing retinol and cod liver oil. Choose supplements designed for pregnancy and check the label.
Raw fish, shellfish and refrigerated smoked fish
Raw fish pregnancy advice is simple when you want the lowest-risk option: choose cooked fish and shellfish. Raw seafood and dishes such as sashimi can carry bacteria or parasites. Refrigerated smoked or cured fish can also present a Listeria risk and is safest when cooked until steaming hot where local guidance recommends this.
Fish itself is nutritious in pregnancy, so the goal is not to avoid seafood completely. Choose lower-mercury fish and avoid species identified by your national health authority as high in mercury. Commonly restricted examples include shark, swordfish and marlin. Some authorities also place weekly limits on tuna or oily fish.
Raw or undercooked eggs
Egg safety rules vary because some countries have recognised production schemes that reduce Salmonella risk. If you do not know whether your eggs meet a pregnancy-safe standard, eat them fully cooked and avoid foods made with raw or lightly cooked unpasteurised egg. Commercial mayonnaise and dressings are often made with pasteurised egg, but check the label.
Unwashed produce, raw sprouts and unpasteurised juice
Fruit and vegetables are valuable in pregnancy, but wash them thoroughly under running water before eating or cutting them. Do not use soap or bleach. Bacteria on the outside of foods such as melons can be transferred to the flesh when they are cut.
Raw sprouts are higher risk because bacteria can be present inside the seed and grow during sprouting. Cook sprouts thoroughly instead. Unpasteurised fruit or vegetable juice should also be avoided unless it has been treated to make it safe.
Alcohol and caffeine
The safest approach to alcohol in pregnancy is to avoid it completely. Check labels on drinks described as alcohol-free or low-alcohol if you want to avoid alcohol entirely.
Caffeine usually needs to be limited rather than eliminated. The NHS advises keeping caffeine to no more than 200 mg a day during pregnancy. Coffee, tea, cola, energy drinks and chocolate all contribute, so count the whole day rather than one drink at a time.
Ready-to-eat foods and leftovers need smart handling
Listeria pregnancy precautions are not only about ingredients. Refrigerated ready-to-eat foods can become risky if stored too long or allowed to warm up. Keep chilled foods cold, follow use-by dates, refrigerate leftovers promptly and reheat appropriate foods until steaming hot. Keep raw meat and seafood separate from ready-to-eat foods.
A practical routine helps. After shopping, put chilled dairy, cooked meats and prepared foods into the fridge first. Store raw meat in a sealed container on a low shelf, wash produce before use, and plan when leftovers will be eaten. Small habits reduce risk without making every meal stressful.
What if you accidentally eat a food on the avoid list?
One accidental bite or meal does not automatically mean something is wrong. If you feel well, follow your local maternity service’s advice. Contact a doctor, midwife or urgent medical service if you develop food-poisoning symptoms, fever or flu-like illness after a higher-risk food, or if you are worried about a food recall or possible Listeria exposure.
Frequently asked questions
Can I eat sushi during pregnancy?
Cooked sushi is the safer choice. Avoid sushi containing raw fish or raw shellfish if your local pregnancy guidance advises against it. Also consider how chilled ingredients have been stored and prepared.
Is all cheese unsafe during pregnancy?
No. Many pasteurised cheeses are safe. The main concerns are unpasteurised dairy and certain soft mould-ripened or blue cheeses unless they are cooked as recommended.
Can I eat deli meat if I am pregnant?
Guidance varies, but reheating higher-risk deli meats until steaming hot is a widely used safety measure. Keep opened packs refrigerated and use them within the recommended time.
What if I ate something risky but feel fine?
Do not assume harm has occurred. Most isolated exposures do not lead to illness. Contact your maternity team if you are concerned, particularly after a recalled food or possible Listeria exposure.
Safer choices without an overly restrictive diet
Knowing the main foods to avoid during pregnancy makes shopping and eating out much simpler. Focus on pasteurised dairy, thoroughly cooked meat and seafood, washed produce, safe egg choices and careful chilled-food handling. Avoid alcohol, liver and known high-mercury fish, and stay within local caffeine guidance. These practical boundaries leave plenty of room for a varied, nourishing diet while reducing avoidable food-safety risks for you and your baby.