1. What is zinc? Zinc is an important trace element that plays a vital role in the growth and development of the human body and the normal functioning of the immune system. Zinc can promote protein synthesis, maintain bone health, enhance memory and learning abilities, and can also help the body absorb other nutrients. 2. Why do pregnant women need zinc supplements? During pregnancy, pregnant women need more nutrients to support the development and growth of the fetus. Zinc is one of the essential elements. If there is a lack of zinc, it may affect the intellectual development and immune function of the fetus. At the same time, pregnant women themselves also need to supplement enough zinc to maintain good health. 3. Which foods are rich in