随着人民物质生活水平的不断提高,孕期的营养保健问题越来越受到人们的重视。然而,对于众多的人来讲,只重视饮食营养,却忽视了微量元素的补充。铁锌是人体必需的微量元素,是体内100 多种金属酶的成份或活化剂,铁锌等微量元素的缺乏已成为全球性的营养性缺乏病,而孕妇的缺铁缺锌现象尤为普遍和严 With the continuous improvement of people’s material living standards, the issue of nutrition and health care during pregnancy has drawn more and more attention. However, for many people, it only focuses on dietary nutrition but neglects the supplement of trace elements. Iron and zinc are the necessary trace elements of the human body, is the composition or activator of more than 100 kinds of metalloenzymes in the body, and the deficiency of trace elements such as iron and zinc has become a global nutritional deficiency disease, and the iron deficiency and zinc deficiency of pregnant women are especially common strict