What to Eat in the Second Trimester (When Appetite Comes Back)

Your second trimester is often the point where you start to feel like yourself again. Nausea usually settles, your appetite starts to return, your energy picks up, and food stops feeling like a daily battle. It's also the stage where the nutrition focus starts to shift away from folate and toward the nutrients that help build bones and support growth.

Why the second trimester often feels easier

NHS guidance notes that morning sickness usually clears up by weeks 16 to 20, which is later than the "weeks 12 to 16" figure people often repeat. So if you're 14 weeks and still feeling rough, that's still well within the usual range.

When your appetite does come back, it can come back quickly. That doesn't mean you need to hold back or worry that you're eating too much. This is often the easiest window for eating well across pregnancy, better than early pregnancy when very little sounds good, and better than late pregnancy when your stomach has less room.

The 340 calorie question

US guidance suggests around 340 extra calories a day from the second trimester. UK guidance gives no number and frames the whole thing as appetite-led, mentioning extra calories only in the final trimester. Both positions are defensible and we quote them both rather than picking one and pretending it's settled.

What 340 calories doesn't mean is an extra meal or the old idea of eating for two. In everyday terms, it's closer to one solid snack. Think yogurt with fruit and nuts, toast with nut butter and banana, or a generous handful of trail mix with something else alongside it.

The more useful way to think about it is this: add a proper snack rather than making your meals much bigger. That usually feels easier on digestion, keeps your energy steadier, and sets up a habit that often helps later on when large meals stop feeling comfortable.

Which nutrients matter more now

Once eating feels easier, you should know which nutrients to prioritize. This is the point where a few nutrients start to matter more than they did earlier on.

Calcium and vitamin D

Your baby's bones start building more actively through mid and later pregnancy, and calcium comes from what you eat or, if that falls short, from your own stores. That's why this matters for you as well as for your baby.

Dairy is often the simplest way to get calcium. Fortified plant milks, calcium-set tofu, canned fish with soft bones, tahini, kale and bok choy can all help too. If you're trying to get more calcium without thinking about it too hard, calcium-rich recipes are great to build into your week.

Vitamin D matters alongside calcium because it helps your body absorb it well. NHS advice says women should take 10 micrograms, or 400 IU, of vitamin D a day during pregnancy and while breastfeeding. Food can help a bit, but a supplement is usually the most reliable route.

Iodine

Iodine matters because your body uses it to make thyroid hormones, which help support your baby's brain development. Needs go up during pregnancy, and that's one reason this nutrient gets more attention during this stage. US guidance sets 220 micrograms a day during pregnancy, while WHO uses 250 micrograms.

Good food sources include dairy, white fish and eggs. If you want ideas, check out our iodine-rich recipes. Seaweed can be very high in iodine, but levels vary a lot between products, so it's not a great choice for everyday use. With iodine, more isn't always better, so steady and sensible works best.

Iron

Iron needs keep rising during pregnancy and tend to peak later on, which makes this a good time to get into useful habits before you actually need them most. It's usually much easier to build those habits now than to wait until you're already tired and uncomfortable.

If you eat plant sources of iron, pair them with vitamin C at the same meal to help absorption. It also helps to keep tea and coffee about an hour away from iron-rich meals, because they can make it harder for your body to take iron in.

What matters a bit less now

Folate still matters, but the most time-sensitive part has already passed. The neural tube closes very early, at about four weeks after conception, which is why NHS advice says folic acid should be taken before pregnancy and until week 12.

That doesn't mean folate-rich foods stop mattering after week 12. They're still worth eating, and many women carry on with a pregnancy multivitamin that includes folic acid. If you're unsure whether you should keep taking it on its own, that's one to ask your doctor or dietitian.

The food rules that stay the same

Even though your appetite may be better now, the food safety rules don't change. The same guidance from early pregnancy still applies right through to birth.

That means no raw or undercooked meat, poultry, fish or shellfish, no liver or liver products, no high-mercury fish that are on the avoid list, no unpasteurized dairy, and mold-ripened or blue cheeses only if they're cooked until steaming hot. Cured meats should also be cooked until steaming hot, caffeine should stay at no more than 200 mg a day, and alcohol is still off the list.

Read our full list of foods to avoid during pregnancy.

How to make good use of these easier weeks

If your appetite is back and your energy is better, now's a good time to make life easier for later pregnancy and after birth.

• Start filling the freezer. Anything you batch-cook now is one less thing to think about at 38 weeks or during those early weeks with a newborn. Our freezer meals guide is written for exactly this window.
• Build the snack habit. This is also a good time to get into the habit of having a proper snack each day, because that's often the easiest way to cover extra energy needs without overloading your meals.
• Fix the iron routine now. Add vitamin C with plant iron, keep tea and coffee away from meals, and let it become a habit since it'll matter even more later.

Second trimester recipes are the ones tagged for this window, as they lean on calcium, iodine and steady iron. They're not as plain, cold or low-smell as first trimester meals often are, which gives you a lot more room to enjoy your food again.

Where to go next

• The first trimester guide, if you are not quite out of it yet.
• Foods to avoid in pregnancy, for the complete list and the much longer safe one.
• Postpartum freezer meals, which is a second trimester project more than a third trimester one.

Sources & further reading

• NHS: Vitamins, supplements and nutrition in pregnancy
• ACOG: Nutrition during pregnancy
• NIH Office of Dietary Supplements: Iodine fact sheet
• NHS: Foods to avoid in pregnancy