Pregnancy comes with a long list of food “rules,” and it’s easy to feel anxious about every meal. The good news: most foods are completely fine, and only a short list needs limiting or avoiding. Here’s the plain version — what to skip, why, and an easy swap for each.
This is general information, not medical advice — check with your doctor or midwife, and follow your own country’s official pregnancy food guidance, which can differ.
Which fish should I avoid during pregnancy?
Fish is genuinely good for you and your baby — it’s a top source of protein and omega-3 fats. The only issue is mercury, which builds up in a few large, long-lived fish and can affect a baby’s developing brain.
- Avoid the high-mercury few: shark, swordfish, king mackerel, marlin, and big eye tuna.
- Limit albacore (white) tuna to a small portion a week; canned light tuna is lower in mercury.
- Enjoy lower-mercury fish 2–3 times a week: salmon, sardines, trout, herring, pollock and cooked shrimp.
Safer swap: craving sushi? Choose cooked rolls, or fully-cooked salmon and shrimp instead of raw fish.
The takeaway is reassuring: you don’t need to give up fish at all. For most people the benefit of eating a couple of low-mercury portions a week outweighs the small risk, so think of this as swapping a few species, not cutting out a whole food group.
Why avoid unpasteurized cheese and dairy?
Raw (unpasteurized) milk and the soft cheeses made from it can carry listeria, a bacteria that’s rare but more serious in pregnancy. The fix is simple — choose pasteurized.
| Limit or check the label | Safer swap |
|---|---|
| Soft mould-ripened cheese (brie, camembert) | Hard cheese (cheddar, parmesan) |
| Soft blue cheese (roquefort, gorgonzola) | Pasteurized cream cheese, feta, mozzarella |
| Any raw / unpasteurized milk or cheese | Pasteurized milk and dairy |
Most cheese in shops is pasteurized — just read the label. Soft cheeses are fine if they’re cooked until steaming hot (think baked brie).
What about raw or undercooked meat and eggs?
Undercooked meat, poultry and eggs can carry bacteria like salmonella, or parasites like toxoplasma. Cooking thoroughly removes the risk.
- Cook meat and poultry until juices run clear and there’s no pink in the middle.
- Cook eggs until both the white and yolk are firm — unless they carry a recognised safety mark for raw use in your country.
- Skip raw or rare steak tartare, carpaccio, and raw shellfish.
Safer swap: love a runny yolk? Use safety-marked eggs where available, or enjoy a firmly-cooked egg instead.
Should I avoid deli meats and pâté?
Cold cured and sliced meats (ham, salami, prosciutto) and pâté can carry listeria. You don’t have to give them up entirely in many countries — but if you want to be cautious:
- Heat deli meat until steaming hot before eating (great on a hot sandwich or pizza).
- Skip all pâté, including vegetable pâté, as it can also carry listeria.
- Wash fruit, veg and salad well, since soil can carry the same bacteria.
Safer swap: for sandwiches, freshly cooked chicken, well-cooked meat or canned fish are easy, filling fillers.
How much caffeine and is alcohol ever okay?
Caffeine: most guidance puts the limit at around 200 mg a day — roughly one to two small cups of coffee. It adds up across tea, cola, energy drinks and chocolate, so count it all.
- Safer swap: decaf coffee and tea, or naturally caffeine-free options like rooibos, mint or ginger.
Alcohol: no amount has been proven safe, so the standard advice is to avoid alcohol completely during pregnancy. If you had a drink before you knew you were pregnant, try not to panic — just stop now and mention it at your next appointment.
- Safer swap: alcohol-free wine and beer, sparkling water with fruit, or a “mocktail.”
A calm way to think about it
You don’t need to memorise every rule or eat in fear. A few gentle principles cover most of it:
- Cook it through, keep it clean, and choose pasteurized.
- Most fish is great — just skip the high-mercury few.
- Skip alcohol, go easy on caffeine.
- One slip rarely matters — if you’re worried, ask your provider rather than spiral.
Eating well in pregnancy is far more about the wholesome foods you add — fruit, veg, whole grains, protein and dairy — than the short list you avoid. If queasiness makes eating hard right now, our guide to the first trimester and what to expect has gentle, practical ideas. And if you’re wondering how it all adds up over the months, see pregnancy weight gain by week. When in doubt about a specific food, your country’s official health guidance and your own midwife or doctor are the people to trust.
This article is for general information only and isn’t medical advice. Food-safety guidance varies by country and can change — always follow your local official advice and ask your healthcare provider about your own situation.