Iron-Rich Foods For Pregnancy

Iron is a mineral that is important during pregnancy. It is necessary for oxygen transportation, physical growth, neurological development, and gene regulation (1, 2). During pregnancy, iron needs increase by 50% (1). This increased need puts pregnant women at risk of consuming inadequate iron, which could lead to iron deficiency and/or anemia. Iron deficiency and/or anemia during pregnancy has been associated with increased risks for negative health outcomes, including preterm birth, low birth weight, small for gestational age babies, and impaired cognitive function (2). Understanding which foods contain iron and eating iron-rich foods can help prevent an iron deficiency. In this post, I will highlight the different types of iron and share iron-rich foods for pregnancy and meal ideas to promote iron intake.

Adequate iron intake is especially important during the third trimester. At the end of pregnancy, the mother transfers the greatest amount of iron to the fetus in preparation for birth. 

iron-rich foods for pregnancy

Types of Iron

There are two different forms of iron found in food: heme and non-heme iron.

Heme Iron

Heme iron is the type of iron that is found in animal foods. Meat, fish, and poultry are the primary dietary sources of heme iron. Heme iron is the more bioavailable form of iron and is readily absorbed and utilized by the body.

Non-heme Iron

Non-heme iron is the type of iron that is found in plant foods. Nuts, beans, lentils, tofu, leafy greens, and fortified grains are dietary sources of non-heme iron. Non-heme iron is not as readily absorbed and utilized by the body as heme iron. However, consuming non-heme iron with a source of vitamin C can enhance its absorption (1). Vitamin C is found in fruits and vegetables, such as citrus fruits, strawberries, tomatoes, broccoli, bell peppers, and kiwis (3).

non-heme iron with vitamin c

Iron-Rich Meal Ideas

  1. Veggie Omelette with eggs, kale, tomatoes, and peppers. Eggs are one of my favorite foods for pregnancy! The eggs contain iron, the kale is a plant source of iron, and the tomatoes and peppers contain vitamin C.
  2. Spinach Salad with chicken, chickpeas, spinach, and strawberries. The chicken contains heme iron, the chickpeas and spinach contain non-heme iron, and the strawberries contain vitamin C.
  3. Steak Fajitas with steak, peppers, and beans. Steak contains heme iron, beans contain non-heme iron, and the peppers contain vitamin C.
  4. Turkey Chili with turkey, beans, and tomatoes. The turkey contains heme iron, the beans contain non-heme iron, and the tomatoes contain vitamin C.
  5. Lemon Salmon & Broccoli with salmon, lemon, broccoli, and rice. The salmon contains heme iron, lemon contains vitamin C, rice contains some non-heme iron, and broccoli contains both non-heme iron and vitamin C.

Calcium and Iron Absorption

Consuming either heme or non-heme iron at the same time as calcium or excess consumption of calcium can decrease the absorption of iron. Many prenatal vitamins contain either iron or calcium, but not both. It’s important to work with your healthcare provider to determine the right prenatal supplement for you to meet your needs.

Conclusion:

Iron needs significantly increase during pregnancy. This increased need puts pregnant women at risk of obtaining insufficient amounts of iron, which could lead to an iron deficiency. Consuming iron-rich foods from both plant and animal sources can help prevent an iron deficiency.

References:

  1. https://ods.od.nih.gov/factsheets/Iron-HealthProfessional/
  2. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6413112/
  3. https://ods.od.nih.gov/factsheets/VitaminC-HealthProfessional/

One response to “Iron-Rich Foods For Pregnancy”

  1. […] folate and non-heme iron (3,4). Bell peppers contain vitamin C (5). As reviewed in my last post, Iron-Rich Foods For Pregnancy, consuming non-heme iron with a source of vitamin C can increase the absorption of […]

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About Mel


Hi, I’m Mel! I am a registered dietitian who specializes in women’s nutrition (fertility, prenatal, and postpartum) as well as nutrition for busy professionals. I am passionate about helping others live a healthy lifestyle that is practical and sustainable for them. Whether you are pregnant, postpartum, or a busy individual, I’m here to make nourishing yourself simple and not stressful. Read More

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