Allergen Information
Contains: Fish
Nutrition per 100g
Cod for Gestational Diabetes
Cod is a popular saltwater fish known for its mild flavor, dense, and flaky white flesh. As a very lean protein source, it is incredibly versatile and features in cuisines around the world, most famously in fish and chips. Its subtle taste makes it an excellent choice for those who are not fond of stronger, more 'fishy' tasting seafood. The two most common species are Atlantic cod and Pacific cod, which are similar in taste and texture. Due to its nutritional profile, it is highly valued for healthy diets.
At a glance
Pregnancy safety
SafeBlood sugar impact
lowCarbs / 100 g
0gIs Cod safe with gestational diabetes?
Cod is an exceptional choice for managing gestational diabetes due to its complete lack of carbohydrates. This means it has a glycemic index of zero and will not cause any direct spike in blood sugar levels. It is a fantastic source of high-quality, lean protein, which is essential for both maternal health and fetal development. Including cod in your diet can help you meet your protein needs without adding unwanted sugars or fats. Its mild flavor also makes it a palatable option if you are experiencing pregnancy-related food aversions.
How does Cod affect blood sugar during pregnancy?
The impact of cod on blood sugar is negligible, making it a very safe protein source. However, the cooking method and what you serve with it are critical for overall blood glucose control. Baking, steaming, or broiling are the best preparation methods to keep the meal's glycemic impact low. Avoid breading the fish or using sugary glazes, as these will add carbohydrates and can cause a significant blood sugar rise. Frying can also add unnecessary fats and calories, so it's best to use that method sparingly and with healthy oils.
What is a safe portion of Cod for gestational diabetes?
A suitable portion of cod is a fillet about the size and thickness of the palm of your hand. This amount provides a robust serving of protein to promote satiety and support blood sugar stabilization without being excessive. This visual guide helps ensure you are balancing your plate correctly, leaving enough room for nutrient-dense vegetables and a controlled portion of complex carbohydrates. Adhering to this portion helps manage overall calorie intake while maximizing nutritional benefits for you and your baby.
How should I combine Cod to manage blood sugar during pregnancy?
To build a balanced, blood-sugar-friendly meal, pair cod with high-fiber carbohydrates and plenty of non-starchy vegetables. The protein in the cod helps to slow down the absorption of glucose from the carbohydrates, promoting stable blood sugar levels. Excellent pairings include a portion of quinoa, a small sweet potato, or whole-grain pasta. Accompany the meal with a large serving of steamed broccoli, grilled asparagus, or a fresh green salad with a vinaigrette dressing to add fiber, vitamins, and minerals.
Last reviewed: August 31, 2026
Important Safety Information
Every pregnancy is different, and gestational diabetes is managed differently depending on your readings, your medication and how far along you are. The ratings and portions on this page are general information — not a diagnosis, a treatment plan or a medical device — and they cannot see your results.
- Low blood sugar:
- If you take insulin or diabetes medication, eating less carbohydrate than your team planned for can push your blood sugar too low. Treat a reading below 70 mg/dL (3.9 mmol/L), or symptoms such as shaking, sweating, confusion or a racing heart, with fast-acting carbohydrate immediately and retest after 15 minutes. Never use this page as a reason to skip or shrink a meal you were told to eat.
- Carbohydrate and ketones:
- Cutting carbohydrate hard to force a number down is not safe in pregnancy — it can produce ketones. Published guidance sets a minimum of 175 g of carbohydrate per day in pregnancy. Readings that stay above target for several days need your care team, not a smaller portion.
- Medication and insulin:
- The portions here are generic and know nothing about your insulin doses, your metformin, or the steroids given to mature your baby's lungs — all of which change how a meal affects you. Never adjust a dose or a mealtime based on this page.
- Food safety in pregnancy:
- Blood sugar is not the only thing that makes a food suitable while you are pregnant. Some foods with excellent glycemic numbers still carry mercury, vitamin A, listeria or alcohol risks, and those are judged separately from the ratings shown here. Check your national pregnancy food-safety guidance before adding an unfamiliar food.
- What these ratings can and cannot tell you:
- Glycemic index values, impact ratings and maximum servings are population averages taken from published tables. Two people eating the same food can get very different readings, so your own meter is the only measurement that describes you. Nutrition figures are indicative per 100 g and vary with brand, ripeness and preparation.
Contact your care team the same day if: your readings stay above target for several days; you have a reading below 54 mg/dL (3.0 mmol/L) or needed someone else's help to treat a low; you test positive for ketones; or your baby is moving less than usual. Seek emergency care for confusion, fainting, repeated vomiting, or a low you cannot bring back up.
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Sources & Editorial Review
Content independently developed by Dalo Labs ApS, informed by the American Diabetes Association's Standards of Care in Diabetes, ACOG's gestational diabetes guidelines, and the IADPSG consensus criteria. Not endorsed by or affiliated with any referenced organization. · Last reviewed: August 2026
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