Why is it crucial for pregnant women to have adequate calcium intake?

Adequate calcium intake during pregnancy is critically important for supporting fetal development and ensuring proper bone health. During pregnancy, the developing fetus requires calcium to build strong bones and teeth, and it also plays a vital role in other physiological processes, including muscle function, nerve transmission, and hormonal secretion.

As pregnancy progresses, the fetus draws calcium from the mother's reserves. If the mother’s intake is insufficient, it can lead to a decrease in the mother's bone density, affecting her long-term bone health. Additionally, sufficient calcium levels contribute to the overall health of the mother and baby, promoting optimal growth patterns and development throughout the pregnancy.

While other options mentioned may refer to various aspects of pregnancy health, they do not directly address the specific role of calcium in fetal bone development and maternal calcium balance, making this option the most appropriate and relevant in the context of adequate calcium intake during pregnancy.