Pregnancy Nutrition: What to Actually Eat (and What to Stop Worrying About)

The forbidden foods list gets longer every time you look at it. Soft cheese. Runny eggs. Sushi. Deli meat. Pate. And that was before your colleague's mum mentioned something about pineapple and your aunt texted to say she read that you shouldn't eat too many bananas.

Here is the truth: pregnancy nutrition does not need to be this stressful. Yes, there are genuine things to avoid and sensible ways to fuel your body while it does the extraordinary work of growing a human. But the anxiety around food choices has spiralled way beyond what the evidence actually supports. Let's separate the real rules from the noise. 🍳

The Stuff That Actually Matters

Your body needs more of certain nutrients during pregnancy, but "eating for two" is a myth that needs retiring. In the first two trimesters, you don't need any extra calories at all. In the third trimester, it's roughly an extra 200 calories a day, which is about one banana with peanut butter or a small bowl of porridge.

What matters more than quantity is quality. Your baby is building bones, brain tissue, blood cells and an entire nervous system. That takes specific raw materials, and the good news is that most of them come from ordinary, affordable food.

The Nutrients Worth Paying Attention To

Folate (folic acid): You probably started taking this before conception, but keep going until at least week 12. It's crucial for neural tube development. Dark leafy greens, lentils, chickpeas and fortified cereals are brilliant dietary sources alongside your supplement.

Iron: Your blood volume increases by up to 50% during pregnancy, so your iron needs jump dramatically. Red meat, beans, dark leafy greens and fortified cereals are your friends. Pair iron-rich foods with vitamin C (a squeeze of lemon, a handful of strawberries) to boost absorption. Tea and coffee can block it, so try not to drink them with meals.

Calcium: Your baby will take what it needs from your bones if you don't eat enough. Dairy is the easiest source, but tinned sardines (the ones with soft bones), tofu, almonds and fortified plant milks all count too.

Omega-3 fatty acids: Specifically DHA, which supports brain and eye development. Oily fish is the best dietary source, though you're advised to limit it to two portions per week. Salmon, mackerel and sardines are all great options. Walnuts and flaxseeds offer plant-based omega-3, though your body converts these less efficiently.

Vitamin D: It's recommended that all pregnant women take a 10 microgram supplement daily, especially through autumn and winter when sunlight is limited. Your body needs it to absorb calcium properly.

The "Avoid" List: What's Real and What's Outdated

This is the bit that causes the most anxiety, so let's be specific about what you're actually avoiding and why.

Genuinely avoid:

• Unpasteurised dairy and mould-ripened soft cheese (brie, camembert, blue cheese) due to listeria risk
• Raw or undercooked meat and poultry
• Pate (including vegetable pate, as it can harbour listeria)
• Raw shellfish
• Shark, swordfish and marlin (mercury levels)
• More than 200mg of caffeine daily (roughly two mugs of coffee)
• Alcohol, the safest approach is none at all

Actually fine now (despite what your mum says):

• Runny eggs, as long as they carry the British Lion stamp. The salmonella risk that prompted the original advice has been virtually eliminated in UK hens
• Smoked salmon, perfectly safe
• Prawns, as long as they're cooked
• Hard cheeses like cheddar and parmesan, even if made with unpasteurised milk
• Sushi, provided it was frozen first (most commercial sushi is). Raw fish that hasn't been frozen should be avoided

The point is not to memorise a list. It's to understand the actual risks, which are listeria, salmonella, mercury and toxoplasmosis, and then make proportionate decisions instead of living in fear of every meal.

First Trimester: When Eating Feels Impossible

Here is the most unhelpful piece of advice in pregnancy nutrition: "Eat a balanced diet." Wonderful. Except you are currently unable to open the fridge without gagging, the smell of cooking makes you want to cry, and the only thing that doesn't make you queasy is dry toast and salt and vinegar crisps.

If this is you, please hear this: surviving on beige carbs for a few weeks will not harm your baby. Your body has nutrient stores. Your baby will take what it needs. First-trimester nausea is hormonal and temporary, and the single best nutritional strategy right now is eating whatever you can keep down.

Some things that help: eating small amounts often (an empty stomach makes nausea worse), keeping plain crackers by your bed for before you even sit up, and sipping ginger tea or flat lemonade. Cold foods tend to have less smell, which is why sandwiches and yoghurt suddenly become very appealing.

The Hydration Thing

This one is genuinely important and genuinely boring: drink more water. Pregnancy increases your blood volume, supports the amniotic fluid, and your kidneys are working overtime. Aim for about 2 litres a day, more in summer or if you are still being sick regularly.

If plain water feels nauseating (common in the first trimester), try adding slices of cucumber or lemon, or switch to sparkling water. Herbal teas count towards your intake too, though stick to ones that are considered safe in pregnancy like peppermint, ginger and rooibos. Raspberry leaf tea is one to save for later in pregnancy, as it can stimulate the uterus.

Supplements: The Short Version

A good pregnancy multivitamin covers the basics, but the two non-negotiables are:

• Folic acid (400 micrograms daily, ideally from before conception to week 12)
• Vitamin D (10 micrograms daily, throughout pregnancy and breastfeeding)

If your diet is reasonably varied, you probably don't need to supplement everything else individually. That said, if you're vegetarian, vegan, or have dietary restrictions, it's worth chatting to your midwife about whether you need extra iron, B12 or iodine. Your antenatal blood tests will flag anaemia if it's an issue.

One thing to avoid: vitamin A supplements or anything containing retinol, which can be harmful in high doses during pregnancy. This is also why liver is on the "avoid" list, as it contains very high levels of vitamin A.

Cravings and Aversions: Your Body Isn't Broken

Nobody fully understands why pregnant women suddenly need a bowl of pickled onions at 11pm or find the smell of chicken repulsive. Theories range from hormonal shifts to subconscious nutrient-seeking to pure randomness.

If you're craving ice cream, you probably just want ice cream. If you're craving ice cubes, soil or chalk (a condition called pica), mention it to your midwife, as it can be a sign of iron deficiency.

Aversions are your body's way of keeping you safe, especially in the first trimester when your immune system is recalibrating. If the sight of broccoli makes you retch, swap it for peas. If you can't face meat, lean on beans and lentils. There are always alternatives, and flexibility is the entire point.

Meal Ideas That Don't Require a Degree in Nutrition

You don't need special "pregnancy meals." You need regular food that happens to contain good stuff.

• Breakfast: Porridge with berries and a spoonful of nut butter. Or scrambled eggs (Lion-stamped, runny if you like) on wholemeal toast
• Lunch: A tin of sardines on toast with a squeeze of lemon. Or hummus, roasted veg and feta in a wrap
• Dinner: Salmon with sweet potato and broccoli. Or lentil dal with rice and a blob of yoghurt
• Snacks: Apple slices with peanut butter. Greek yoghurt with honey. A handful of almonds and dried apricots

None of this is revolutionary. That's sort of the point. Good pregnancy nutrition is just good nutrition, with a few specific things to avoid thrown in.

The Permission You Probably Need

You will eat a biscuit. Several biscuits, probably. You will have days where dinner is cereal. You will occasionally Google whether the cheese on your pizza counts as "soft" and then eat it anyway because you are hungry and tired and growing an entire person.

All of that is normal. The goal is not perfection. The goal is roughly the right nutrients, roughly enough water, and roughly enough kindness toward yourself to get through nine months without turning food into another source of anxiety.

Your baby will be fine. And so will you. 💛

Got your pregnancy nutrition sorted and ready to start thinking about everything else? Create your BubsNest registry and let the people who love you help with the rest.