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, embracing a diverse, colorful diet is the most evidence-based way to obtain antioxidants, supporting early development and overall well-being.
In your second trimester, maintaining a diverse, colorful diet rich in plant-based antioxidants is key for ongoing well-being, rather than relying on specific supplements.
In the third trimester, a diverse, colorful diet rich in plant-based antioxidants remains key for overall well-being, rather than relying on specific supplements.
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, many individuals experience a natural shift in their sensitivity to caffeine, making it a key time to mindfully consider daily intake.
In the second trimester, many find their caffeine tolerance improves, but it's still important to stay mindful of the recommended daily limit.
Maintaining awareness of caffeine intake in the third trimester supports your baby's continued development, as their system processes it significantly slower.
In the first trimester, calcium is foundational for your well-being and early fetal development, with your body naturally enhancing absorption.
In your second trimester, calcium becomes especially vital as your baby's skeletal system rapidly develops, requiring focused nutritional support.
The third trimester is a period of peak fetal calcium deposition for bone development, supported by your body's naturally enhanced absorption efficiency.
In the first trimester, carbohydrates are often the most tolerable macronutrient amidst nausea, providing essential energy for both you and your baby's early development.
In the second trimester, carbohydrates become even more crucial for meeting your body's increasing energy demands and providing steady glucose for fetal development.
In the third trimester, focusing on complex carbohydrates is especially beneficial for sustained energy and blood sugar management, particularly if you're navigating gestational diabetes.
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.
In the first trimester, collagen primarily contributes amino acids to support your body's general protein needs, with no specific pregnancy-related benefits currently demonstrated.
In the second trimester, collagen supplements primarily provide amino acids for general protein needs, with no specific pregnancy-related benefits demonstrated.
In the third trimester, collagen supplements primarily contribute to general protein needs, though specific pregnancy benefits are not yet established by evidence.
In the first trimester, copper plays a foundational role in early fetal development, supporting vital processes as your body begins to build new life.
In the second trimester, copper continues its vital role in supporting your baby's rapid tissue growth and ensuring efficient iron metabolism for both of you.
In your third trimester, copper continues its vital role in supporting the rapid tissue growth of your baby and ensuring efficient iron metabolism for both of you.
In the first trimester, DHA — an essential omega-3 fatty acid — is foundational for the critical early neural and visual development of your baby.
The second trimester marks a period of rapid fetal brain development, making DHA — a crucial omega-3 fatty acid — especially vital for neural and visual growth.
The third trimester is a pivotal time for DHA accumulation in your baby's developing brain and retina, making informed intake especially supportive.
In the first trimester, as progesterone levels rise and digestion slows, prioritizing fiber and consistent hydration is key to navigating common discomforts and supporting steady energy.
In the second trimester, fiber is key for supporting comfortable digestion, managing blood sugar, and ensuring sustained energy as your body continues to grow.
In the third trimester, adequate fiber intake becomes especially crucial to gently support digestion and manage constipation, often exacerbated by the growing uterus.
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.
In the first trimester, your baby's developing brain and nervous system rely entirely on your thyroid hormone, making adequate maternal iodine intake particularly crucial.
In the second trimester, adequate iodine intake remains crucial for your baby's ongoing brain development and thyroid function, building on the foundation laid in early pregnancy.
In the third trimester, consistent iodine intake remains vital for your baby's continued brain development and to support your body's sustained metabolic needs through late pregnancy and into breastfeeding.
This is general wellness information, not medical advice. For personalized guidance, talk with your obstetric provider.