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.
87 nutrient pages
In the first trimester, establishing healthy iron levels is foundational, as your body begins to support a growing pregnancy and prepares for increased blood volume.
In your second trimester, the demand for iron rises significantly as your blood volume expands, making intentional intake crucial for both your well-being and your baby's development.
In the third trimester, your body's demand for iron reaches its peak, making routine checks and informed nutritional choices particularly important for your well-being.
In the first trimester, adequate magnesium intake is foundational for supporting your body's early pregnancy changes, with many finding it challenging to meet needs through diet alone.
In the second trimester, adequate magnesium intake can be particularly helpful in addressing common discomforts like leg cramps and constipation.
In the third trimester, adequate magnesium intake continues to be vital for supporting muscle function, easing common discomforts like leg cramps, and contributing to restful sleep as your body prepares for birth.
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.
In the first trimester, rebalancing your Omega-6 fatty acid intake is key, particularly by addressing pre-pregnancy dietary patterns that often lead to an imbalanced ratio with Omega-3.
In the second trimester, understanding and balancing your intake of omega-6 fatty acids, particularly by reducing seed oils and increasing omega-3s, supports a calm and clear pregnancy.
In the third trimester, maintaining a balanced ratio of Omega-6 to Omega-3 fatty acids is key, building on dietary patterns established earlier in pregnancy.
Preliminary research suggests probiotics in the first trimester might influence morning sickness and miscarriage risk, offering a calm, evidence-based option for support.
In the second trimester, probiotics continue their important role in supporting your vaginal microbiome, with emerging research exploring their potential connection to GBS reduction.
In the third trimester, probiotics are explored for their potential role in supporting a balanced microbiome, particularly in relation to the Group B Strep (GBS) colonization assessment.
In the first trimester, your protein needs begin to increase from pre-pregnancy levels, supporting foundational growth while generally aligning with adequate prior intake.
In your second trimester, as your baby's growth accelerates, your body's protein needs increase significantly to support their rapid development.
In the third trimester, protein intake becomes particularly crucial to support your baby's rapid growth and prepare your body for colostrum production.
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, selenium plays a quiet yet crucial role in supporting thyroid function, which is essential for your baby's early development.
In the second trimester, selenium continues its vital role as an antioxidant and supports healthy thyroid function, crucial for both your well-being and your baby's development.
In the third trimester, selenium continues its vital role as an antioxidant and supports thyroid function, both essential for your well-being and your baby's final 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.
This is general wellness information, not medical advice. For personalized guidance, talk with your obstetric provider.