Can I Eat Mussels When Pregnant?
Can you eat mussels when pregnant? The short answer is: yes, as long as they are thoroughly cooked. Mussels are a nutritious shellfish that provide protein, iron, and omega-3 fatty acids — all useful in pregnancy. The key is preparation: raw or undercooked mussels carry a risk of food poisoning that is worth avoiding.
Are Mussels Safe in Pregnancy?
Cooked mussels are considered safe to eat during pregnancy. The main risks with shellfish in pregnancy are bacterial and viral contamination — particularly from bacteria such as listeria and salmonella, or viral pathogens like norovirus that can survive in raw shellfish. These are effectively eliminated by thorough cooking.The other consideration with shellfish is that mussels are filter feeders, which means they can accumulate contaminants from surrounding water. Always buy mussels from reputable suppliers, and avoid collecting wild mussels yourself from unknown waters.
Mussels are a good source of lean protein, vitamin B12, iodine, and omega-3 fatty acids, making them a genuinely nutritious choice in pregnancy if you enjoy them and prepare them correctly.
NHS Guidance on Mussels
The NHS advises that cooked shellfish, including mussels, is safe to eat in pregnancy. Raw shellfish — such as oysters served raw — is not recommended because of the higher risk of harmful bacteria and viruses.When cooking mussels at home, cook them until all the shells have fully opened and discard any that remain closed, as this indicates they may not have been properly cooked. Mussels should be piping hot all the way through before eating. Avoid eating mussels that smell off or that have cracked or damaged shells before cooking.
When eating out, choose mussels from restaurants you trust. Classic preparations like moules marinière are cooked through and are generally fine. Avoid dishes that describe mussels as lightly steamed or barely cooked.
How to Eat Mussels Safely
- **Cook until all shells open.** This is the key safety step. Discard any mussels that stay shut after cooking. - **Buy from reputable sources.** Supermarket or fishmonger mussels from inspected sources are your safest option. - **Eat promptly.** Serve mussels straight after cooking. Do not leave cooked shellfish out at room temperature for extended periods. - **Avoid raw mussels entirely.** Even if offered as part of a seafood platter, leave raw shellfish off your plate during pregnancy. - **Store correctly if buying fresh.** Keep fresh mussels refrigerated and cook on the day of purchase or within a day of buying.Frequently Asked Questions
### What if I accidentally ate undercooked mussels while pregnant?Try not to panic. A single exposure to undercooked shellfish does not guarantee illness. Watch for symptoms such as nausea, vomiting, diarrhoea, stomach cramps, or fever in the hours and days following. If you feel unwell, contact your GP or call 111 for advice. Mention that you are pregnant so they can assess you appropriately.
Can I eat mussels from a restaurant when pregnant?
Yes, if the mussels are fully cooked. Ask your server how they are prepared if you are unsure. Standard cooked mussel dishes such as moules marinière are thoroughly cooked and generally safe. Avoid any dish that describes the shellfish as raw or very lightly cooked.
Are mussels a good source of nutrients in pregnancy?
Yes. Mussels are rich in protein, vitamin B12, iodine, iron, and omega-3 fatty acids — all nutrients that support your baby's development. If you tolerate shellfish well, cooked mussels can be a nutritious addition to a varied pregnancy diet.
This article is for informational purposes only. Always speak to your midwife or GP for advice tailored to your individual circumstances.
Last reviewed: June 2026
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