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Nutrition During Pregnancy to Support a Healthy Mom and Baby

Posted on February 16, 2022 by HHS/ODPHP

By Dennis Anderson-Villaluz, MBA, RD, LDN, FAND, nutrition advisor, and Julia Quam, MSPH, RDN, ORISE health policy fellow, of the Office of Disease Prevention and Health Promotion

Good nutrition before, during, and after pregnancy is essential for a healthy mom and baby. The Dietary Guidelines for Americans, 2020-2025 dedicates a chapter to women who are pregnant and breastfeeding. Health professionals can use this guidance to better understand unique nutritional needs and develop strategies to support healthy dietary patterns during pregnancy.

Diet Quality During Pregnancy

Women who are pregnant tend to have slightly higher diet quality compared to their peers who are not pregnant or breastfeeding; however, intake is still not optimal. Most women who are pregnant do not consume enough fruits, vegetables, dairy, and seafood, while consuming too much added sugars, saturated fat, and sodium. They also consume too many refined grains and not enough whole grains.

Special Considerations for Women Who Are Pregnant

Women who are pregnant would benefit by making some of the same nutrition changes recommended for all adults. Other special nutrition considerations include:

  • Healthy weight gain: Health professionals can encourage women to achieve a healthy weight before becoming pregnant and follow gestational weight gain guidelines during pregnancy.
  • Increased energy needs: Women with a healthy pre-pregnancy weight need about 340 - 450 extra calories per day from nutrient-dense choices during the second and third trimester. Needs may be different for women with a pre-pregnancy weight that is overweight or obese.
  • Seafood: Health professionals should recommend at least eight and up to 12 ounces of a variety of seafood per week from choices lower in methylmercury. Intake during pregnancy is associated with improved cognitive development in young children.
  • Folic acid/folate: The United States (U.S.) Preventative Services Task Force recommends all women who are planning or capable of pregnancy take a daily supplement containing 400 to 800 mcg of folic acid to help prevent neural tube defects beginning at least one month before conception. Women should also consume plenty of folate from foods like dark-green vegetables and beans, peas, and lentils during pregnancy.
  • Iron: Iron is key for fetal development. Heme iron, which is found in animal source foods is more readily absorbed than non-heme iron found in plant sources, but vitamin C can enhance non-heme iron absorption. Food sources lists for iron are available at DietaryGuidelines.gov.
  • Iodine: Iodine is important for the baby’s neurocognitive development during pregnancy. Women who do not regularly consume dairy products, eggs, seafood, or use iodized table salt may not get enough. Encourage women to use iodized salt in place of any salt they’re already using.
  • Choline: Most women don’t get enough choline during pregnancy. Meeting recommendations for the dairy and protein food groups (including meat, eggs, and some seafoodβ€”as well as beans, peas, and lentils) can help meet needs.
  • Supplements: Most health professionals recommend a daily prenatal vitamin and mineral supplement in addition to consuming a healthy dietary pattern. This may be especially important to meet folic acid, iron, iodine, and vitamin D needs.
  • Alcohol: Women who are or who may be pregnant should not drink alcohol.
  • Caffeine: FDA recommends women who are pregnant or trying to become pregnant talk to their healthcare provider about their caffeine consumption.
  • Food safety: FoodSafety.gov provides guidance on ways to reduce foodborne illness since women who are pregnant and their unborn children are more susceptible.

Resources for Supporting Women Who Are Pregnant

Women who are pregnant have diverse calorie and nutrient needs, but there are a variety of resources that can help make supporting them easier.

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