STOP Eating These 7 Foods Immediately If You Just Found Out You’re Pregnant

The Science of Mercury

Fish is an incredible source of Omega-3 fatty acids, which are vital for your baby’s brain and eye development. However, certain large, long-lived fish accumulate high levels of methylmercury. This heavy metal can cross the placenta and potentially interfere with the development of your baby’s nervous system. It is best to cut these out the moment you find out you are expecting.

Which Fish to Avoid

• King Mackerel: Often confused with smaller mackerel, this one is a no-go.
• Swordfish: High on the food chain and high in mercury.
• Shark: Best left in the ocean for now.
• Tilefish: Specifically those from the Gulf of Mexico.
• Bigeye Tuna: While canned light tuna is generally okay in moderation, the Bigeye variety is too risky.

Don’t worry, mama! You can still enjoy your seafood. Focus on low-mercury options like wild-caught salmon, sardines, trout, and shrimp. These provide all the brain-boosting benefits without the heavy metal risk.

Why Pasteurized Matters

I know, a cheese board is often the highlight of a gathering, but we need to check the labels carefully now. Unpasteurized dairy products can carry a bacterium called Listeria monocytogenes. While rare, listeriosis can lead to serious complications during pregnancy. Because your immune system is slightly suppressed, you are actually about 10 times more likely to get listeriosis than the average adult.

The Cheese Checklist

You should avoid soft cheeses unless the label explicitly states they are ‘Made with Pasteurized Milk’. If you are at a restaurant and aren’t sure, it is best to skip:

• Brie and Camembert
• Feta
• Blue-veined cheeses (like Gorgonzola or Roquefort)
• Queso Fresco and Queso Blanco

Pro Tip: If you absolutely crave a baked Brie, you can eat it if it is cooked until it is bubbling hot throughout (reaching 165°F), as the heat kills the bacteria. Otherwise, stick to hard cheeses like Cheddar, Swiss, and Parmesan, which are naturally lower in moisture and safer for you and baby.

The Hidden Bacteria in the Deli Counter

This is often the hardest one for my busy mamas who rely on quick sandwiches. Deli meats, hot dogs, and fermented sausages (like pepperoni or salami) can also harbor Listeria. Unlike many other bacteria, Listeria can actually grow in the cold temperatures of your refrigerator.

How to Eat Safely

If you just can’t live without your turkey sandwich, you don’t have to give it up entirely, but you must change how you prepare it. You need to steam your deli meats until they are steaming hot (reaching an internal temperature of 165°F) before eating them. This kills any potential pathogens.

My health is a priority, and taking the extra step to heat my food is an act of love for my baby.

Avoid refrigerated pates or meat spreads as well. Canned or shelf-stable meat spreads are generally considered safe, but fresh versions from the deli case should be avoided until you meet your little one.

The Runny Yolk Dilemma

I love a runny poached egg as much as anyone, but for now, we need to ensure our eggs are cooked until the yolks and whites are firm. Raw or undercooked eggs can carry Salmonella. While Salmonella usually doesn’t harm the baby directly, the severe vomiting and diarrhea it causes in the mother can lead to dehydration and, in rare cases, preterm labor.

Watch Out for ‘Hidden’ Raw Eggs

It’s not just about the eggs on your breakfast plate; raw eggs often hide in delicious treats:

• Homemade Caesar dressing
• Homemade Hollandaise sauce
• Homemade mayonnaise
• Raw cookie dough or cake batter (I know, it’s a sacrifice!)
• Homemade eggnog

Most commercially prepared dressings and mayonnaise in the grocery store are made with pasteurized eggs, making them perfectly safe. Just keep an eye on those ‘homemade’ labels at farmers’ markets or upscale restaurants.

A Surprising Risk

Many people think of sprouts as the ultimate health food, but during pregnancy, they are on the ‘avoid’ list. This includes alfalfa, clover, radish, and mung bean sprouts. The reason? Bacteria like Salmonella, E. coli, and Listeria can get into the sprout seeds through cracks in the shell before the sprouts even grow.

The Cleaning Challenge

Once the bacteria are inside the seed, they are nearly impossible to wash out. Most sprouts are grown in warm, humid conditions—the exact environment where bacteria thrive. To stay safe, only eat sprouts that have been thoroughly cooked. If you’re ordering a salad or a wrap at a cafe, be sure to ask them to leave the raw sprouts off. Swap them for some crunchy cucumber or bell peppers for that same satisfying snap!

The Soil Connection

Fruits and vegetables are the backbone of a healthy pregnancy diet, but they must be washed with extreme care. Unwashed produce can be contaminated with a parasite called Toxoplasma gondii. This parasite lives in the soil where the vegetables are grown and can be particularly harmful to a developing baby.

Best Practices for Your Veggies

1. Wash everything: Even if you plan to peel it (like a melon or a carrot), wash the outside first so the knife doesn’t drag bacteria into the flesh.
2. Scrub firm produce: Use a vegetable brush on melons, cucumbers, and potatoes.
3. Avoid pre-cut bagged salads: If possible, buy whole heads of lettuce and wash them yourself. Bagged salads have been linked to more frequent outbreaks of foodborne illness.
4. Discard bruised areas: Bacteria like to congregate in bruised or damaged spots on fruit.

By taking these simple steps, you ensure that you’re getting all those wonderful phytonutrients without the unwanted guests.

The Gold Standard of Safety

This is the one food (well, drink) where there is no ‘gray area.’ Medical experts, including the CDC and the American College of Obstetricians and Gynecologists, state that there is no known safe amount of alcohol during pregnancy. Alcohol passes easily through the placenta to the baby, whose liver is not yet developed enough to process it.

Navigating the Social Scene

I know it can be tricky to navigate social events before you’ve announced your news. Here are some ‘Doula-approved’ mocktail ideas to keep in your back pocket:

• The Faux-mosa: Sparkling water with a splash of orange juice and a strawberry.
• The Ginger Snap: Non-alcoholic ginger beer with fresh lime and mint.
• The Sophisticated Spritz: Cranberry juice, tonic water, and a sprig of rosemary.

If someone offers you a drink, a simple ‘I’m focusing on hydration today’ or ‘I’ve got a bit of a headache, so I’m sticking to water’ works wonders. You are doing a great job protecting your little one’s future.

To make things easier for you, I’ve put together this quick-reference table. You can even screenshot this and keep it on your phone for those moments at the grocery store when you feel a little unsure!

A Note on Caffeine

While not strictly ‘forbidden,’ most experts recommend limiting caffeine to 200mg per day (about one 12-ounce cup of coffee). If you just found out you’re pregnant, try to slowly taper down if you’re a heavy coffee drinker to avoid those nasty caffeine withdrawal headaches!