Safety Status: Safe (Highly Recommended)
Sardines are classified as a safe and exceptionally healthy seafood choice during pregnancy.
According to guidelines from the U.S. Food and Drug Administration (FDA) and the U.S. Environmental Protection Agency (EPA), sardines are on the “Best Choices” list. They are highly recommended for expectant mothers due to their rich nutritional profile and negligible methylmercury content.
Mercury levels in fish are driven by size, lifespan, and position in the food chain. Because sardines are small, short-lived fish that feed primarily on plankton, they do not accumulate heavy metals or other environmental toxins (like PCBs) in their muscle tissue.
Consuming sardines provides all the benefits of seafood without the risk of mercury toxicity.
Nutritional Benefits for Pregnancy
Sardines are a true prenatal superfood, offering a concentrated source of vital nutrients:
- Omega-3 Fatty Acids (DHA and EPA): Critical for the development of the fetal brain, central nervous system, and retinas. Consuming adequate DHA supports child cognitive development and motor skills.
- Dietary Calcium: The soft, edible bones in canned sardines are an excellent, highly absorbable source of calcium, helping build your baby’s skeletal system and protecting your own bone density.
- Vitamin D: Helps your body absorb calcium and supports immune function and fetal bone mineralization.
- Iron and Vitamin B12: Essential for red blood cell formation, preventing prenatal anemia, and supporting overall cellular health.
Safe Selection and Serving Tips
To incorporate sardines safely into your pregnancy diet:
- Canned is Ready to Eat: Canned sardines undergo commercial sterilization at high heat during the canning process, meaning they are fully cooked and safe to eat straight from the can.
- Check the Sodium: Canned fish can be high in sodium. Look for varieties canned in water or olive oil, and check the nutrition label to manage your daily sodium intake.
- Portion Guide: You can safely eat 8 to 12 ounces (2 to 3 servings) of low-mercury seafood per week. Sardines can make up all or part of this weekly allowance.
- Storage: Once a can of sardines is opened, transfer any unused fish to a glass or plastic container, seal it, refrigerate it, and consume it within 2 days.
Safe Alternatives
Anchovies, wild-caught salmon, or Atlantic herring.
OB-GYN Clinical Tip
Canned sardines in olive oil, water, or tomato sauce are fully cooked, shelf-stable, and ready to eat. They are one of the safest and most convenient sources of prenatal calcium and Omega-3s.
Related Nutrition Guides
Read our complete recommendations for vitamins and safe eating:
🍎 Go to Nutrition Guide →Check the safety status of these related foods: