1. Why do pregnant women need to supplement iron? During pregnancy, the mother\’s body needs more iron to meet the needs of the fetus and itself. Iron is an important component in making hemoglobin, which is a key substance that transports oxygen to all parts of the body. Therefore, if a pregnant woman is deficient in iron, it will lead to anemia, fatigue, dizziness and other uncomfortable symptoms. 2. What foods can pregnant women supplement with iron? 1. Red meat Red meat is one of the most common foods rich in iron. ox