What is the recommended daily vitamin D intake for pregnant women?

The recommended daily vitamin D intake for pregnant women is 600 IU. This guideline reflects the consensus among health organizations, including the Institute of Medicine and the American College of Obstetricians and Gynecologists. Adequate vitamin D is essential during pregnancy because it plays a crucial role in maintaining maternal and fetal health, influencing calcium metabolism, and possibly reducing the risk of certain complications.

During pregnancy, the body requires more vitamin D to support the developing fetus and adapt to the physiological changes. This includes supporting bone health and immune function in both the mother and the child. While some studies suggest higher intake levels could be beneficial, particularly in certain populations with higher risk of deficiency, the established recommendation is clear at 600 IU for the general pregnant population.

The higher values in other options have context but are not universally recommended for all pregnant women. Research continues to evolve, and clinical judgment may factor in specific circumstances, including individual dietary sources, geographic location, sun exposure, and personal health status. However, the standard outlined in the guidelines remains at 600 IU for the vast majority of pregnant women.