Best Protein Foods For Pregnant Women | Real Food Sources

Getting enough protein during pregnancy matters for both you and your baby, but the best sources aren’t just about grams — they’re about safety, iron.

Protein sounds simple enough — eat meat, eggs, beans — until you’re pregnant and suddenly every food label comes with a mental checklist: Is this deli meat safe? What about tuna? Can I still eat runny eggs? The old rules don’t all apply, and some of them change week by week.

Fortunately, the foods that pack the most protein for pregnancy are mostly the same ones you already know — lean meat, poultry, eggs, seafood low in mercury, beans, nuts, and soy. The trick is knowing which ones need a little extra caution and how much to aim for each day.

Protein’s Role During Pregnancy — More Than Muscle

During pregnancy, protein supports your baby’s growing tissues, including the brain and heart. It also helps your body produce extra blood and amniotic fluid. The body’s demand for protein rises, which is why many clinicians suggest bumping up intake, especially in the second and third trimesters.

Good news: most protein-rich foods also deliver iron, choline, B vitamins, or omega-3 fatty acids — nutrients that are especially important during pregnancy. Lean beef, pork, and chicken, for example, are high-quality sources of protein and are also rich in iron and choline, which support healthy pregnancies according to major medical organizations.

Why Pregnant Women Need to Choose Carefully

The biggest shift in pregnancy protein isn’t how much — it’s which sources are safe. Foodborne illness risks, mercury exposure, and listeria concerns all change the usual “eat more protein” advice. That’s why a high-protein pregnancy diet isn’t just about hitting a number; it’s about picking foods that are both nutrient-dense and low-risk.

Here’s a quick breakdown of common protein sources and their pregnancy safety profile:

  • Lean meats (beef, pork, chicken): Thorough cooking kills harmful bacteria. No special restrictions as long as the meat is cooked to safe internal temperatures — check the CDC guidelines for minimum temps.
  • Fish and shellfish: Excellent source of protein and omega-3s for baby’s brain development. The limit here is mercury: stick with low-mercury options like salmon, cod, sardines, and shrimp, and avoid shark, swordfish, king mackerel, and tilefish.
  • Eggs: Fully cooked eggs are safe. Avoid runny yolks or raw egg in dressings unless pasteurized. Cook until both white and yolk are firm.
  • Dairy and soy: Pasteurized milk, yogurt, cheese, and tofu are fine. Unpasteurized soft cheeses (brie, feta, blue cheese) should be avoided unless clearly labeled pasteurized.
  • Beans, peas, lentils: No safety concerns and packed with fiber too. Rinse canned beans to cut sodium.

The pattern is consistent: the best protein sources during pregnancy are the ones that are fully cooked, low in mercury, and pasteurized where applicable.

Best Protein Choices for Expectant Moms

When choosing what to eat, focus on variety rather than one superfood. The CDC recommends that pregnant women avoid unheated deli meats, cold cuts, and hot dogs due to listeria risk — see the avoid deli meat pregnancy page for details. Dried and salted meats like pepperoni or salami are considered safer if stored properly.

For everyday protein, lean meat, poultry, eggs, beans, nuts, seeds, and soy products are all excellent. Greek yogurt provides about 15 grams of protein per 150-gram serving, making it a high-protein snack that’s also a good calcium source. A handful of almonds adds roughly 6 grams of protein — convenient and portable. Hummus with vegetables delivers about 5 grams per serving.

Protein Source Approximate Protein (per 100g or serving) Pregnancy Notes
Chicken breast (cooked) 31 g per 100g Cook to 165°F; no other restrictions
Lean beef (cooked) 26 g per 100g Cook to 160°F; good iron source
Salmon (cooked) 22 g per 100g Low mercury; rich in omega-3s
Eggs (2 large, cooked) 12–14 g Cook until yolk and white are firm
Greek yogurt (plain) ~10 g per 100g Choose pasteurized; good calcium
Lentils (cooked) 9 g per 100g Fiber-rich; no safety concerns
Tofu (firm) 8 g per 100g Safe; soy is fine in normal amounts
Almonds 21 g per 100g Portable; about 6 g per handful

These numbers are approximate and can vary by brand and preparation. The key is to mix animal and plant sources to cover your micronutrient needs.

How Much Protein Do You Really Need?

Standard pregnancy guidelines suggest about 70 to 100 grams of protein per day spread across meals. That’s roughly 1.1 grams per kilogram of body weight, up from the non-pregnant recommendation of 0.8 g/kg. Your actual number depends on your pre-pregnancy weight, trimester, and activity level.

Three ways to hit a 75-gram daily target without much effort:

  1. Start with a high-protein breakfast: Two eggs (12 g) plus a 150-gram serving of Greek yogurt (15 g) gives you 27 g before lunch.
  2. Include a solid protein source at lunch and dinner: A 3-ounce serving of chicken (21 g) at lunch and a 3-ounce serving of salmon (19 g) at dinner adds about 40 g.
  3. Snack strategically: A handful of almonds (6 g) and hummus with veggies (5 g) fills the remaining gaps.

If you’re vegetarian or vegan, combine legumes with grains (like rice and beans or hummus with whole-wheat pita) to create complete proteins throughout the day.

Seafood: The Omega-3 Bonus (With One Important Rule)

Seafood is one of the few foods that naturally provides both high-quality protein and DHA omega-3s — the fatty acids linked to baby’s brain and eye development. Mayo Clinic recommends pregnant women eat at least 8 ounces (224 grams) and up to 12 ounces (340 grams) of a variety of low-mercury seafood per week, which is about two to three servings.

The catch is mercury. Certain large fish accumulate mercury that can cross the placenta and affect a baby’s developing nervous system. The NHS recommends avoiding shark, swordfish, and marlin entirely during pregnancy, and limiting tuna — see the NHS fish guidelines pregnancy for the full details. Safe low-mercury fish include salmon, cod, sardines, trout, and canned light tuna (limit albacore to one serving per week).

Seafood Type Mercury Level Pregnancy Recommendation
Salmon Low Eat 2–3 servings per week
Cod Low Eat 2–3 servings per week
Sardines Low Eat 2–3 servings per week
Canned light tuna Low–moderate 2–3 servings per week
Albacore tuna Moderate Limit to 1 serving per week
Shark, swordfish, king mackerel High Avoid completely

The Bottom Line

Building a high-protein pregnancy diet doesn’t require drastic changes. Stick with thoroughly cooked lean meats, pasteurized dairy, fully cooked eggs, low-mercury seafood, and plenty of plant sources like beans, lentils, nuts, and soy. Aim for 70–100 grams of protein per day spread across three meals and one or two snacks, and pay attention to food safety rules — especially around deli meats and high-mercury fish.

Your obstetrician or midwife can help tailor protein goals to your weight and any specific conditions, and a registered dietitian can work through any food aversions or dietary preferences to keep both you and your baby well-nourished.

References & Sources

  • CDC. “Pregnant Women” Pregnant women should avoid unheated deli meat, cold cuts, hot dogs, and fermented or dry sausages due to food safety risks.
  • NHS. “Foods to Avoid” The NHS advises that pregnant women can eat most types of fish, but should limit certain types like tuna and avoid high-mercury fish such as shark, swordfish, and marlin.