Reference · Nutrition
Pregnancy nutrition.
Evidence-anchored pregnancy nutrient guidance — folate, iron, DHA, choline, vitamin D, and more by trimester. Sources: WHO, ACOG, EFSA, IOM, Cochrane, Harvard T.H. Chan.
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Reference · Nutrition
Evidence-anchored pregnancy nutrient guidance — folate, iron, DHA, choline, vitamin D, and more by trimester. Sources: WHO, ACOG, EFSA, IOM, Cochrane, Harvard T.H. Chan.
In the first trimester, understanding your baseline biotin (B7) needs supports foundational cellular processes as your body begins its significant changes.
In your second trimester, maintaining adequate biotin intake, primarily through food, supports your body's baseline needs, while understanding its role in lab tests is key.
In your third trimester, understanding biotin's role extends beyond baseline needs, especially with common discussions around postpartum hair changes and lab test considerations.
In the first trimester, choline plays a vital, often-overlooked role in supporting your baby's neural tube development and laying the foundation for cognitive function.
During the second trimester, choline remains a vital nutrient, particularly for the ongoing development of your baby's brain, supporting memory and cognitive function.
During the third trimester, choline is critically important for your baby's rapidly developing brain, particularly for hippocampal growth and future cognitive function.
Folate is absolutely critical in the first trimester, as the neural tube closes by week 6, often before pregnancy is even confirmed.
In the second trimester, adequate folate remains crucial for supporting your baby's ongoing cell division and robust growth.
In the third trimester, consistent folate intake remains crucial for maternal well-being and to prevent late-pregnancy depletion, supporting your body's ongoing demands.
During your first trimester, Niacin (Vitamin B3) supports your body's energy production and cellular function, foundational for early fetal development.
In the second trimester, maintaining adequate niacin intake through food and your prenatal vitamin supports your energy and fetal development without typically requiring additional supplementation.
In your third trimester, niacin (B3) continues to support your body's energy processes, with your daily needs typically met through a balanced diet and your prenatal vitamin.
Riboflavin (B2) is a foundational nutrient in the first trimester, supporting energy metabolism and cellular growth from the earliest stages of pregnancy.
During your second trimester, Riboflavin (B2) remains steadily important for energy production and healthy cellular growth, supporting both you and your developing baby.
In the third trimester, Riboflavin (B2) continues its vital role in energy production and cellular growth, supporting both your sustained well-being and your baby's rapid development.
In the first trimester, Thiamine (B1) is vital for energy, and its role becomes especially critical for those experiencing hyperemesis gravidarum.
In the second trimester, Thiamine (B1) remains essential for converting the increased energy demands of pregnancy into usable fuel, supporting both your well-being and your baby's development.
In the third trimester, Thiamine (B1) continues its vital role in energy metabolism, supporting your increasing energy needs and your baby's rapid growth.
During your first trimester, careful attention to Vitamin A intake is crucial, as high levels of preformed retinol can pose risks, while plant-based beta-carotene remains safe.
In your second trimester, focusing on plant-based beta-carotene for Vitamin A is key, while consistently avoiding retinol supplements and liver remains important.
In the third trimester, prioritizing plant-based beta-carotene for Vitamin A is key, while consistently avoiding high-retinol supplements and liver products.
In the first trimester, Vitamin B12 is foundational for your baby's neural tube and early brain development, working alongside folate to support these critical initial stages.
In the second trimester, Vitamin B12 continues its vital role in supporting your growing baby's neurological development and your body's increased red blood cell production.
In the third trimester, Vitamin B12 continues its vital role in supporting your baby's neurological development and red blood cell formation, crucial for both your well-being and their growth.
In the first trimester, Vitamin B6 is a key nutrient, notably recognized as a first-line, evidence-based option for managing the common experience of nausea and vomiting during pregnancy.
In the second trimester, Vitamin B6 continues its role in metabolism, and for many, the need for higher doses to manage nausea often begins to taper.
In the third trimester, Vitamin B6 continues to support your body's essential metabolic functions and energy needs, even as its primary role in managing early pregnancy nausea often tapers.
In the first trimester, Vitamin C is crucial for baseline maternal health and significantly enhances the absorption of non-heme iron from plant-based foods.
In the second trimester, Vitamin C is essential for robust collagen synthesis, supporting your baby's developing tissues and enhancing iron absorption for your expanding blood volume.
In the third trimester, Vitamin C becomes especially vital for enhancing non-heme iron absorption, supporting your body's increased blood volume and preparing for birth.
In the first trimester, understanding your baseline Vitamin D status is key, as deficiency is common and addressing it early supports a healthy pregnancy foundation.
In the second trimester, Vitamin D is crucial for your baby's developing bones and may require ongoing supplementation to maintain healthy levels.
In the third trimester, maintaining adequate vitamin D levels is crucial for both maternal well-being and building your baby's reserves, especially as winter approaches.
During the first trimester, your baseline Vitamin E needs are typically met through a varied diet, making routine supplementation generally unnecessary.
Vitamin E continues its antioxidant role in the second trimester, with no specific increased demand beyond the general pregnancy recommendation, making food sources key.
In the third trimester, Vitamin E continues its important role as an antioxidant, with your body's needs remaining stable, mirroring non-pregnant recommendations.
This is general wellness information, not medical advice. For personalized guidance, talk with your obstetric provider.