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Nutrition plays an essential role in fetal growth and development. It’s undoubtedly necessary for pregnant women to eat a balanced diet. This article will focus on vegetarianism, more specifically, lacto-ovo vegetarianism and veganism. I’ll discuss essential nutrients for pregnancy while following a vegetarian eating style and how to select foods to meet nutrient needs.
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Nutritional requirements during pregnancy
Studies show that a mother’s nutrition status can impact a baby’s birth weight. It is recommended that women gain between 15-40 pounds during pregnancy. However, this number may vary depending on typical body weight.
According to the Academy of Nutrition and Dietetics, women need the following additional overall calorie intake during pregnancy:
- Second trimester: +350 calories in addition to normal eating.
- Third trimester: +450 calories in addition to normal eating.
- Twins: +670 calories in addition to normal eating.
It is also recommended to consume a minimum of 135-175 grams of carbohydrates during pregnancy and an additional 25 grams of protein. It is important to note that weight gain may require different amounts of calories and protein, depending on the mother’s physical activity and metabolic needs. The American Academy of Pediatrics also recommends a daily prenatal multivitamin in addition to a balanced diet.
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Now let’s transition to specific nutrients that need extra attention in a vegan/vegetarian lifestyle during pregnancy.
1) Protein
Meat tends to be the most concentrated form of protein in our diets and it is a common belief that a vegetarian or vegan diet lacks protein. However, some vegan sources of protein include nuts, beans, seeds, quinoa, tempeh, tofu, soymilk, and oats. Eggs and dairy including milk, cheese, and yogurt are also good sources of protein for vegetarians. At this time, protein intake recommendations do not change depending on the source of protein.
2) Vitamin B12
One of the most common misconceptions is that vegetarian diets lack B12. It is recommended that vegans supplement with oral B12. According to the National Institute of Health, daily recommended intake for pregnant women is 2.6 micrograms daily. This can be obtained with a B12 over-the-counter vitamin supplement. Supplements include a higher amount because much of it will not be absorbed if taken orally. Other vegetarian food sources include milk & dairy products, and eggs.
3) Calcium
Tofu and tempeh are great sources of calcium. Other sources include leafy greens such as spinach and collard greens and beans such as white beans or chickpeas.
4) Iron
Many people associate iron with red meat. It is true that red meat is a good source of iron, but there are plant forms of iron as well. Plant foods include beans, baked potatoes, spinach, whole grain bread, and some cereals that are fortified with iron. Important to note is that iron requires a source of vitamin C for absorption, such as citrus fruit, broccoli, or strawberries.
5) Vitamin D
Ask your doctor about Vitamin D supplementation and if it is necessary for you. Vegetarian (but not vegan) sources of vitamin D include dairy and eggs. If you are vegan, your body can produce vitamin D when exposed to the sun. General recommendations vary, but about ten minutes outside several times a week should be enough sunlight to increase your body’s levels of vitamin D.
6) Zinc
Vegetarians may have higher zinc requirements. Vegetarian sources include beans, milk, and other dairy products.
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Final thoughts
In conclusion, a balanced vegetarian diet can meet complete nutrition needs during pregnancy and prove to be the best choice for some mothers and their growing child. If you are pregnant or planning for pregnancy, meet with your doctor and registered dietitian to discuss how your diet is meeting your individual pregnancy needs.
- Livingstone, C. (2015), Zinc. Nutrition in Clinical Practice, 30: 371-382.
- Thomas & Gutierrez (2005). American Dietetic Association Guide to Gestational Diabetes Mellitus. Chicago, IL: American Dietetic Association/Academy of Nutrition and Dietetics.
- Escott-Stump, Sylvia (2002). Nutrition and Diagnosis-Related Care. Baltimore, MD. Lippincot Williams & Wilkins.
- Maha, Escott-Stump (2004). Krause’s Food, Nutrition, and Diet Therapy. Philadelphia, PA. Saunders/Elsevier.