Shellfish can be a source of many vitamins and minerals, as well as protein, but they also have the potential to harbor dangerous bacteria. One of the most common bacteria in clams, oysters, mussels, and other shellfish is Vibrio vulnificus, which is a rod-shaped bacterial species capable of surviving in the high-salt environment of seawater.
Vibrio is a common cause of food poisoning from eating raw or undercooked shellfish, explains the consumer information site SafeOyster. It's not known whether the Vibrio bacteria can cross the placenta, but there are many other species of bacteria responsible for food poisoning that can cross, meaning it's best to avoid any possible risk of Vibrio infection.
In normal, healthy adults, Vibrio causes gastrointestinal symptoms including diarrhea and nausea, but in pregnant women -- due to their suppressed immune systems -- Vibrio infection can be much more serious. That means no sashimi or items such as chilled prawns even though they are pre-cooked and shellfish. Hot prawns or shellfish are safe as part of a hot dish, however they need to be cooked thoroughly to at least 63 degrees and eaten whilst hot.
Oysters and other raw shellfish in pregnancy should be avoided, as these types of seafood can be contaminated with harmful bacteria and viruses. If you have further queries regarding your seafood intake, please contact our rooms or ask at your next appointment. Selecting and serving fresh and frozen fish safely. FoodData Central. Department of Agriculture, Agricultural Research Service. Department of Health and Human Services and U. Department of Agriculture. American College of Obstetricians and Gynecologists.
Committee Opinion No. Reaffirmed Listeria listeriosis : Prevention. Centers for Disease Control and Prevention. Organization of Teratology Information Specialists. Advice about eating fish: For women who are or might become pregnant, breastfeeding mothers and young children. Pregnancy nutrition therapy. Nutrition Care Manual. Academy of Nutrition and Dietetics. Gabbe SG, et al. Nutrition during pregnancy.
In: Obstetrics: Normal and Problem Pregnancies. Elsevier; Salmonella and eggs. James JE. Maternal caffeine consumption and pregnancy outcomes: A narrative review with implications for advice to mothers and mothers-to-be. See also Air travel during pregnancy Allergy medications during pregnancy Ankle swelling during pregnancy Antibiotics and pregnancy Aspirin during pregnancy Baby brain Pregnancy back pain Breast-feeding while pregnant Childbirth classes Couvade syndrome Dental work during pregnancy Thinking about exercise during pregnancy?
Falling during pregnancy: Reason to worry? If you eat too much mercury, it can be harmful to your unborn baby. You should limit oily fish because they can have pollutants such as dioxins and polychlorinated biphenyls in them. If you eat too much of these, they can be harmful to your unborn baby. You should avoid raw shellfish because they can have harmful bacteria, viruses or toxins in them. These can make you unwell and give you food poisoning. Drinking alcohol in pregnancy can lead to long-term harm to your baby.
If you're pregnant or planning to get pregnant, the safest approach is to not drink alcohol at all. Be careful with fruits, vegetables and salads as they can have soil on them, which can make you unwell.
Make sure to thoroughly wash all fruits, vegetables and salad ingredients. Only avoid eating peanuts if you're advised to by a healthcare professional or if you have a nut allergy. Do not take high-dose multivitamin supplements, or any supplements with vitamin A in them.
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