Pregnancy · Nutrition

Pregnancy Food Safety

Avoid unpasteurised dairy + soft mould-ripened cheese (listeria), raw / undercooked meat + fish (toxoplasmosis, salmonella), liver (vitamin A), alcohol entirely, caffeine >200mg/day. NHS guidance.

Last reviewed 2 June 2026

Pregnancy food safety

Can I eat this while pregnant? Quick check

  • Soft mould-ripened cheese (Brie, Camembert, Roquefort, Gorgonzola)

    Soft mould-ripened or blue cheeses can carry listeria. Avoid unless cooked until steaming hot (e.g. baked Camembert). Hard cheeses (Cheddar, Parmesan) and pasteurised soft cheeses (cottage cheese, cream cheese, mozzarella, halloumi, ricotta from pasteurised milk) are fine.

    Avoid unless cooked
  • Raw fish (sushi, sashimi, ceviche)

    NHS now says sushi made with raw fish that has been previously FROZEN to standard commercial requirements (–20 °C for 24+ hours) is safe in pregnancy — this kills parasites. Many UK sushi restaurants comply. US FDA is more cautious. Cooked sushi, vegetable rolls, and sushi from reputable establishments using previously-frozen fish are reasonable. Avoid: smoked fish (unless cooked) due to listeria, raw shellfish.

    Variable — see detail
  • High-mercury fish (shark, swordfish, marlin, king mackerel, tilefish)

    These large predator fish accumulate methylmercury that crosses the placenta and can harm fetal brain development. Limit tuna: ≤ 2 medium cans or 1 fresh steak per week (FDA / NHS). Salmon, sardines, trout, prawns, white fish are all fine — actually encouraged for omega-3.

    Avoid
  • Deli / cold cuts (ham, turkey, salami, pâté)

    Cold deli meats can carry listeria. CDC + NHS advise heating to steaming hot before eating, or avoiding. Pâté (meat, fish, vegetable types) is best avoided. Vacuum-packed cured meats stored properly are lower-risk but heat for safety.

    Heat first OR avoid
  • Raw or undercooked eggs (homemade mayo, mousse, runny yolks)

    UK: eggs stamped with the British Lion mark (or NL / RV stamps in Europe) are salmonella-controlled and runny yolks are now considered safe in pregnancy (FSA 2017 update). Non-stamped eggs, restaurant eggs without provenance, raw eggs in some sauces — cook through. Homemade mayo, raw cookie dough — avoid unless made with Lion-stamped eggs.

    British Lion eggs OK runny; otherwise cook fully
  • Alcohol

    No safe amount of alcohol in pregnancy is established. NHS, ACOG, CDC, RCOG all advise complete abstinence. Risk is highest in the first trimester (organogenesis) but harm can occur at any stage. If you drank before knowing you were pregnant, don't panic — discuss with your midwife; risk from incidental early exposure is generally low.

    Avoid entirely
  • Caffeine (coffee, tea, energy drinks, cola, chocolate)

    Higher caffeine intake is associated with miscarriage and low birth weight. NHS / RCOG / ACOG all set the limit at 200 mg/day — roughly 2 mugs of instant coffee, 1 mug of filter coffee, 4 cups of tea, 5 cans of cola, or 2 cans of standard energy drink. Decaf is fine. Don't forget green tea (~30 mg/cup) and chocolate (~25 mg per 50 g bar) in the total.

    Limit to 200 mg/day
  • Raw or undercooked meat (rare steak, tartare, carpaccio, raw chicken)

    Risk of toxoplasmosis, salmonella, campylobacter. Cook all meat until no pink remains and juices run clear; minimum 71 °C / 160 °F internal for ground meat, 63 °C / 145 °F for whole cuts with rest. Avoid carpaccio, tartare, very rare steaks. Cured meats (salami, chorizo) — heat first.

    Cook through
  • Unpasteurised milk, juice, cheese

    Risk of listeria, E. coli, salmonella, campylobacter, brucella. Includes raw milk and any cheese made from unpasteurised milk regardless of texture. Pasteurised dairy is safe and recommended. Most shop juices are pasteurised; check fresh juice bars.

    Avoid
  • Liver, liver pâté, cod liver oil

    Very high vitamin A (retinol) intake is teratogenic. Avoid liver and liver products in pregnancy. Cod liver oil supplements specifically (different from fish oil supplements which contain only omega-3) — avoid. Standard prenatal vitamins contain safe levels.

    Avoid
  • Raw shellfish (oysters, mussels, clams)

    Raw shellfish can carry vibrio, norovirus, hepatitis A. Cooked shellfish is fine (and a good iodine source). Avoid raw oysters, ceviche, raw clams.

    Cook through
  • Herbal teas + supplements (variety)

    Ginger, peppermint, raspberry leaf (last 4 weeks), chamomile — generally fine in moderation. Avoid: nettle in large amounts, sage, parsley (in tea-amounts), aloe juice, comfrey, mugwort, wormwood. CBD, kratom, kava — avoid (data limited or harmful). Consult your midwife before starting any new herbal product.

    Mostly OK in moderation, some specific cautions
  • Honey (for pregnant person)

    Honey is fine for pregnant adults. The 'no honey under 1 year' rule is for babies (infant botulism risk) — not pregnant women. Don't worry about consuming honey while pregnant.

    Fine in pregnancy
  • Peanuts (if no maternal allergy)

    Old advice to avoid was withdrawn. Eating peanuts in pregnancy does NOT increase risk of peanut allergy in the child — recent evidence suggests early exposure (in pregnancy + via breastmilk + early infant introduction) may actually reduce allergy risk (LEAP trial 2015 follow-up). Only avoid if you yourself have a peanut allergy.

    Fine

Pregnancy nutrition basics

  • Folic acid 400 mcg / day from 3 months pre-conception through 12 weeks of pregnancy reduces neural tube defects by ~70%. Take 5 mg/day if BMI ≥ 30, diabetes, antiepileptics, sickle cell, family history of NTD.
  • Vitamin D 10 mcg (400 IU) / day throughout pregnancy and breastfeeding (NHS, ACOG). Higher doses if deficient (check 25-OH-vit D).
  • Iron — check ferritin at booking; supplement if low. Most prenatals include iron.
  • Iodine — from dairy, eggs, fish, seafood; ~250 mcg/day target.
  • Choline — 450 mg/day. Eggs are the best source.
  • Omega-3 DHA — 200–300 mg/day for brain development. Oily fish (salmon, sardines) twice weekly OR algae-based supplements (especially vegan).
  • Hydration — 2–2.5 litres a day; more if hot weather, vomiting, exercising.
  • Eat to appetite — the “eating for two” myth is overdone. About 340 kcal/day extra in 2nd trimester, 450 in 3rd, none in 1st.
  • Weight gain by BMI — see /calculators/pregnancy-weight-gain (IOM ranges).
  • Listeria — the most pregnancy-specific food poisoning risk. Crosses placenta, can cause miscarriage, stillbirth, preterm birth. Hence soft-cheese / deli-meat / pâté / unpasteurised cautions.
  • Toxoplasmosis — raw/undercooked meat + cat litter + unwashed produce. Cook meat through, wash veg, gloves for gardening, delegate cat litter.
  • Mercury — large predator fish only (shark, swordfish, marlin, king mackerel, tilefish). Limit tuna to 1–2 / week. Other fish encouraged.
  • If you’ve eaten something on the “avoid” list — don’t panic. Risk from a single exposure is generally very small. Continue normal antenatal care; mention to your midwife at next visit; only urgent if you develop fever, GI symptoms, or other illness.
Educational tool only — not medical advice. Country-specific guidance varies slightly between NHS, FDA / CDC, and other regulators. Your midwife / OB / dietitian can advise on your specific situation.
What does this mean?
Pregnancy food advice often feels like a long list of forbidden things, but the underlying logic comes down to a small number of real risks: listeria (which crosses the placenta and can cause miscarriage / stillbirth — hence the soft-cheese, deli-meat, pâté, and unpasteurised-dairy cautions), toxoplasmosis (raw/undercooked meat, cat litter, unwashed produce), mercury (only really concerning in large predator fish; salmon and sardines are actively encouraged for the omega-3 DHA), vitamin A toxicity from liver (teratogenic at high doses), and alcohol (no safe level established). Almost everything else is either safe in moderation or guidance has been updated. The big modernised exceptions worth knowing: (1) British Lion stamped eggs — runny yolks now considered safe (FSA 2017); (2) sushi made from previously-frozen fish — NHS now considers this safe in pregnancy; (3) peanuts — the old “avoid to reduce allergy” advice was wrong; early exposure may actually reduce child allergy risk (LEAP trial 2015 follow-up); (4) honey — the “no honey under 1” is for babies, NOT pregnant women. The bigger nutrition wins are positive rather than negative: folic acid 400 mcg from 3 months pre-conception through 12 weeks (5 mg if BMI ≥ 30, diabetes, antiepileptics, or NTD history), vitamin D 10 mcg / 400 IU daily throughout, iodine via dairy / eggs / seafood, omega-3 DHA from oily fish twice a week or algae supplement, and choline from eggs. If you’ve eaten something on the avoid list, don’t panic — single-exposure risk is usually very small; mention to your midwife at the next visit; only urgent if you develop fever or GI symptoms.

Main avoids

  • Unpasteurised milk + soft mould-ripened cheese (brie, camembert, blue).
  • Raw or undercooked meat, poultry, fish, non-Lion eggs.
  • Liver + liver products (vitamin A).
  • High-mercury fish (shark, swordfish, marlin).
  • Pâté (all types).
  • Alcohol entirely.
  • Caffeine >200mg/day.

Why these foods?

  • Listeria: miscarriage, stillbirth, sepsis.
  • Toxoplasmosis: congenital infection.
  • Salmonella: food poisoning.
  • Mercury: developing nervous system.
  • Alcohol: FASD, miscarriage.
  • Vitamin A excess: birth defects.

Cheese guide

  • SAFE: hard cheeses (cheddar, parmesan); pasteurised soft cheeses without mould (cottage, mozzarella, feta, ricotta).
  • AVOID: mould-ripened soft cheese (brie, camembert) unless cooked steaming hot; unpasteurised + blue cheeses.
  • Cooked thoroughly (pizza, lasagne): safe at any cheese type.

Fish guide

  • Oily fish (salmon, sardines, mackerel): up to 2 portions/week.
  • White fish: no specific limit.
  • Canned tuna: max 4 medium cans / 2 fresh steaks per week.
  • Shark, swordfish, marlin: avoid entirely.
  • Raw sushi: avoid; cooked sushi safe.
  • Cooked prawns / shellfish: safe.

Eggs

  • British Lion-marked: safe runny / raw.
  • Non-Lion (some imported, duck, quail): cook thoroughly.
  • Restaurant: ask if Lion used.

Caffeine sources

  • Instant coffee: ~100mg.
  • Brewed coffee mug: ~140mg.
  • Espresso shot: ~75mg.
  • Tea: ~75mg.
  • Green tea: 30-50mg.
  • Cola: 40mg/330ml.
  • Chocolate: 10-25mg/50g.
  • Energy drinks: avoid entirely.

Listeriosis

Flu-like illness in mother but devastating for baby. Treatment: IV ampicillin if suspected. Seek GP / maternity urgently.

Toxoplasmosis prevention

  • Cook meat thoroughly.
  • Wash fruits + vegetables.
  • Gloves when gardening.
  • Avoid changing cat litter (delegate).
  • Avoid undercooked cured meats unless frozen >24h.

Different scenarios

Scenario 1: Ate brie before knowing pregnant

Low actual listeria risk (most cheese fine). Don’t panic. Watch for fever / flu-like illness; GP if develops.

Scenario 2: Restaurant ordered medium steak

Send back for well-done; or eat well-cooked side. Risk small but avoidable.

Scenario 3: Daily 3-cup coffee habit

Switch to 2 cups + decaf or tea. Stay under 200mg/day.

Scenario 4: Vegetarian / vegan diet

Watch B12, iron, calcium, vitamin D, omega-3 (algae source). Folic acid + multivitamin.

Scenario 5: Travel abroad

Bottled water. Hot freshly cooked food. Peelable fruits. Hand hygiene.

Care guidance

  • NHS pregnancy food list available.
  • Avoid main risk groups.
  • Reheat foods steaming hot.
  • Wash hands + produce.
  • 200mg caffeine limit.
  • Alcohol — none.

Sources

  • NHS. Foods to avoid in pregnancy.
  • RCOG. Healthy eating + vitamin supplements in pregnancy.
  • Food Standards Agency. Pregnancy food safety.

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Frequently asked questions

What foods should I avoid in pregnancy?
MAIN AVOIDS (NHS): (1) UNPASTEURISED milk + soft mould-ripened cheeses (brie, camembert, blue) — LISTERIA risk; (2) RAW or undercooked meat, poultry, fish, eggs (unless British Lion or pasteurised) — toxoplasmosis, salmonella; (3) LIVER + liver products — vitamin A excess; (4) HIGH-MERCURY FISH (shark, swordfish, marlin) — mercury; (5) MORE THAN 2 PORTIONS oily fish/week; (6) ALCOHOL entirely; (7) MORE than 200mg CAFFEINE/day; (8) UNWASHED salad / vegetables.
Why are some foods risky?
(1) LISTERIA: serious bacterial infection — causes miscarriage, stillbirth, sepsis. Found in unpasteurised dairy, soft cheeses, pâté, deli meats. (2) TOXOPLASMOSIS (parasite): undercooked meat, soil, cat litter; congenital infection. (3) SALMONELLA: raw eggs (UK Lion-marked eggs safer); food poisoning. (4) MERCURY: large fish; affects developing nervous system. (5) ALCOHOL: fetal alcohol spectrum disorder. (6) VITAMIN A EXCESS: birth defects.
Can I eat cheese?
(1) HARD cheeses (cheddar, parmesan, edam): SAFE always — very low listeria risk. (2) PASTEURISED soft cheeses without mould (cottage cheese, mozzarella, feta, halloumi, cream cheese, ricotta): SAFE. (3) MOULD-RIPENED soft cheeses (brie, camembert): AVOID unless cooked thoroughly until steaming hot. (4) UNPASTEURISED soft + blue cheeses: AVOID entirely (Stilton, Roquefort, raw-milk brie). (5) THOROUGHLY COOKED cheese (pizza, lasagne): safe at any cheese type.
Can I eat sushi / raw fish?
RAW fish: AVOID. Risks: parasites (anisakis), bacteria, listeria. SUSHI: avoid raw fish nigiri/sashimi. SAFER ALTERNATIVES: cooked sushi (eel, vegetable, tempura prawn), Japanese-style cured fish that’s been frozen first (anisakis killed). VEGETARIAN sushi safe. SMOKED FISH (UK shop-bought, refrigerated): safer than raw but still small listeria risk; reheat thoroughly recommended in some advice.
How much fish per week?
OILY FISH (salmon, sardines, mackerel, trout): UP TO 2 portions per week. Provides omega-3 for baby’s brain development. WHITE FISH + non-oily: no specific limit. AVOID: shark, swordfish, marlin entirely. CANNED tuna: max 4 medium cans / 2 fresh steaks per week (mercury). PRAWNS, mussels, lobster: cooked — safe.
Eggs — what’s safe?
BRITISH LION-marked eggs (red lion stamp): SALMONELLA-controlled flocks; safe runny / raw (mayonnaise, mousse, soft-boiled, sunny-side up). NON-LION-MARKED (some imported, duck, quail, ostrich): COOK thoroughly until white + yolk fully set. RESTAURANT food: ask if Lion eggs used; otherwise prefer fully cooked. HOMEMADE mayo / mousse: use Lion eggs.
Pâté — why is it banned?
ALL TYPES of pâté avoided: (1) MEAT pâté: vitamin A excess (especially liver pâté); (2) FISH or VEGETABLE pâté: LISTERIA risk (made from unpasteurised ingredients sometimes; refrigerated long). PASTEURISED pâté processed in specific way may be marketed as safe but generally NHS advice is to avoid all.
Caffeine limit?
MAX 200mg caffeine/day total. Sources: COFFEE 1 instant ~100mg, mug brewed ~140mg, espresso shot ~75mg. TEA: ~75mg/mug. GREEN tea: 30-50mg. COLA: 40mg/330ml. CHOCOLATE: ~25mg/50g dark, 10mg/50g milk. ENERGY drinks: 80mg+ per can; PROHIBITED in pregnancy. EXCEEDING 200mg: linked to low birth weight + miscarriage.
Alcohol — absolutely none?
NHS + RCOG: AVOID ALCOHOL entirely during pregnancy. NO SAFE level confirmed. RISKS: fetal alcohol spectrum disorder (FASD — learning, behavioural, growth issues); miscarriage. EARLY pregnancy alcohol especially impactful (often before knowing pregnant).
Listeriosis — how does it present?
Flu-like illness: fever, muscle aches, chills, nausea, diarrhoea. CAN BE MILD or asymptomatic in mother but DEVASTATING for baby: miscarriage, stillbirth, premature birth, neonatal sepsis. TREATMENT: IV antibiotics (ampicillin) immediately if suspected. SEEK GP / maternity if suspect listeriosis exposure + flu-like illness.
Toxoplasmosis — how to prevent?
(1) COOK meat thoroughly; (2) WASH fruits + vegetables; (3) GLOVES when gardening; (4) AVOID changing cat litter (delegate; or wear gloves + wash hands); (5) AVOID undercooked cured meats (chorizo, salami) — ones that have been frozen >24h safer; (6) BREASTFEEDING is safe even if mother seropositive.
Can I eat takeaways / restaurant food?
Generally safe with selection: AVOID raw-egg dishes (homemade mayo, Béarnaise, tiramisu) unless Lion eggs confirmed; avoid rare meat / steak tartare; avoid sushi unless cooked options; avoid pâté; avoid soft mould-ripened cheese unless cooked. SAFER: thoroughly cooked dishes; vegetarian; well-known chains. HOT FOOD at hot temperature.
What about street food / travel?
INCREASED gastroenteritis risk. PREFER: hot freshly cooked food; bottled / boiled water; peelable fruits + vegetables; thoroughly cooked meats. AVOID: ice in drinks (uncertain water), raw salads, unpasteurised dairy, undercooked street food. HAND HYGIENE crucial. CARRY oral rehydration sachets.
How does this relate to other calculators on BumpBites?
Companion: /calculators/calorie-calculator; /calculators/water-intake; /calculators/pregnancy-week; /calculators/morning-sickness; /calculators/iron-pregnancy; /calculators/folic-acid; /calculators/listeria-monitor.

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