Is Salmon Safe During Pregnancy?

Short answer: Is salmon safe during pregnancy?

Yes. Cooked salmon is not just safe in pregnancy — it's one of the fish health authorities actively encourage you to eat. It sits in the FDA and EPA's "Best Choices" category, the lowest-mercury tier, and the agencies recommend 8 to 12 ounces of low-mercury fish like salmon per week (about two to three servings). The two cautions are simple: cook fresh salmon to an internal 145°F, and treat raw and cold-smoked salmon (sushi, sashimi, lox, gravlax) differently from cooked. This is general information, not medical advice for your pregnancy.

Why it's recommended, and how much is safe per week

The concern with most fish in pregnancy is methylmercury, which crosses the placenta and can affect a developing baby's brain and nervous system. Salmon is naturally low in mercury because it's a smaller, shorter-lived fish that doesn't bioaccumulate the way long-lived predators (shark, swordfish, king mackerel, bigeye tuna) do. At the same time, it's rich in omega-3 fatty acids (DHA and EPA) that support fetal brain and eye development, so the risk-benefit math runs in salmon's favor: the omega-3 upside outweighs the very low mercury exposure. Practically, 8 to 12 ounces of cooked salmon a week — two to three 4-ounce servings — is a sensible target, not a ceiling to fear. You don't need to "save up" your weekly fish budget for it the way you would with albacore (white) tuna, a higher-mercury "Good Choices" fish the FDA limits to one 4-ounce serving per week with no other fish that week. Farmed and wild salmon are both low-mercury; if you eat a lot of locally caught sport salmon, check your state or tribal fish advisory, since local waters can carry other contaminants.

Cooked vs. raw vs. cold-smoked, and salmon while breastfeeding

The mercury story is reassuring; raw and cold-smoked salmon is where the real caution lives. Raw and cold-smoked salmon — sushi, sashimi, lox, nova, gravlax — can carry Listeria monocytogenes, which pregnant people are roughly ten times more likely to contract and which is linked to miscarriage, stillbirth, and preterm birth; raw fish can also carry parasites, though commercial "sushi-grade" salmon is flash-frozen specifically to kill them. Heat is what neutralizes Listeria: cooking a fresh fillet to an internal 145°F (flesh opaque and flaking) makes it safe, while cold-smoked salmon and lox are only safe in a cooked dish heated through to 165°F — not just warmed until steaming — because smoking and refrigeration don't kill Listeria. Hot-smoked salmon (firm and fully cooked) and canned or shelf-stable salmon are fine as-is. After birth the picture shifts in salmon's favor again: its DHA passes into breast milk and supports your baby's brain, so the 8–12 oz/week guidance still applies. The Listeria and parasite cautions were about risk to the pregnancy and placenta, not your breast milk, so those specific worries ease once you're nursing rather than pregnant — which is why many providers say raw or lox-style salmon is generally okay again after delivery. The catch is that food poisoning can still make you sick, so whether to add raw salmon back is a personal-comfort call worth raising with your provider.

The bottom line on salmon in pregnancy

Cooked salmon is a green light and one of the best fish you can eat while pregnant: low mercury, high in brain-building omega-3s, and recommended at 8 to 12 ounces a week. Cook fresh fillets to 145°F, eat lox and other cold-smoked salmon only when heated through to 165°F (or skip them until after delivery), and check local advisories if it's sport-caught. If you have questions about your own diet, mercury history, or a high-risk pregnancy, ask your OB, midwife, or a registered dietitian.