Perinatal Nutrition: Nourishing Your Body From Conception Through Postpartum

The perinatal period — from preconception through the postpartum months — is one of the most nutritionally consequential windows in a woman’s life, with dietary choices during this time influencing not only maternal health but the long-term metabolic programming of the child. Research in the field of developmental origins of health and disease (DOHaD) has shown that nutritional status in the months before and during pregnancy shapes gene expression, organ development and disease risk in the offspring for decades.

Preconception nutrition is often overlooked, but it may be the most important phase. Folate sufficiency must be established before conception — ideally for three months prior — to protect against neural tube defects in the first weeks of pregnancy. Iodine, frequently deficient in women of reproductive age, is critical for fetal thyroid and neurological development and should be addressed through a prenatal supplement and dietary sources including dairy, seafood and iodized salt. Iron stores built before pregnancy reduce the risk of iron deficiency anemia in the third trimester when demand is highest.

In the postpartum period, the nutritional demands of lactation are even higher than during pregnancy, requiring additional calories, protein, calcium, iodine and omega-3 DHA. Postpartum nutrition also intersects with perinatal mood disorders — adequate omega-3s, iron status and B vitamin intake all influence mood regulation during a psychologically vulnerable period. As specialists in eating disorders and perinatal nutrition, we are deeply committed to providing the compassionate, comprehensive support that mothers deserve throughout this entire journey.

Sources

• Koletzko B, et al. Nutrition during pregnancy, lactation and early childhood and its implications for maternal and long-term child health. Ann Nutr Metab. 2019;74(2):93-106.

• Gluckman PD, Hanson MA. The developmental origins of health and disease. Cambridge University Press. 2006.

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