Nutrients for Pregnancy & Fetal Development
Learn about 13 nutrients that help support a healthy pregnancy, fetal growth and development, and which foods supply them.
Pregnancy is a remarkable and complex physiological process. While reproduction is primally coded into humans to sustain blood lines and further evolve the species as a whole, it can also be a deeply meaningful journey to becoming a caregiver through an incredible transformation, both inside and out. In short, the biology of pregnancy is where a fertilized egg develops into a fetus over approximately 40 weeks within the uterus of a pregnant person. It involves significant hormonal, metabolic, and anatomical changes to support fetal growth and prepare for childbirth. These changes culminate in an emotional and physical marathon through the months of pregnancy. In 2022, the United States recorded approximately 3.67 million births, with a birth rate of 11.0 babies per 1,000 people.
This article explains the links between pregnancy and fetal development and 13 nutrients that support healthy pregnancy progression, placental function, fetal growth, and infant development—including specific vitamins, minerals, and fatty acids. However, this article is intended for educational purposes only and should not be interpreted as medical advice. Nutrient needs during pregnancy can vary substantially based on factors such as age, genetics, preexisting health conditions, medications, pregnancy complications, dietary restrictions, and whether a pregnancy involves multiples.
In addition, nutrition is only one of many factors that influence pregnancy and fetal outcomes. Access to prenatal care, overall health status, environmental exposures, stress, sleep, physical activity, smoking status, alcohol intake, and socioeconomic factors can all play important roles. A nutrient-dense diet can meaningfully support maternal and fetal health, but it is not a guarantee, a cure, or a moral safeguard. Always discuss significant dietary changes or supplementation during pregnancy with a qualified healthcare provider.
So let’s actually start with risk factors for pregnancy complications, so we can create the appropriate context for the role of nutrition in preventing them.
Risk Factors During Pregnancy
Several factors can increase the risk of complications during pregnancy:


