优生除了受遗传、环境等因素影响外,营养的作用也不容忽视。孕母不注意营养所造成的胎儿大脑或体格发育上的某些不足或缺陷,是出生后难以或无法弥补的。因此,必须科学合理地安排孕产妇的饮食,使之既能满足孕产妇的需要又不过量,如此才能保障母婴健康。误区一不吃主食只吃菜现在有种主流的减肥方法:只吃菜不吃饭。这也流行到孕妇的饮食中了。现在的准妈妈越来越注意身材的保持,因此,她们更乐意食用蔬菜瓜果、鱼肉蛋奶来增加营养,却刻意控制主食的摄入。有些 In addition to eugenics by the genetic, environmental and other factors, the role of nutrition can not be ignored. Pregnant mothers do not pay attention to nutrition caused by fetal brain or physical development of certain deficiencies or defects, is difficult or impossible to make up after birth. Therefore, the maternal diet must be arranged scientifically and rationally so that it can meet the needs of pregnant women without excess, so as to ensure the health of mothers and children. Mistakes do not eat staple food only eat vegetables Now there is a kind of mainstream weight loss methods: eat only food does not eat. It is also popular in pregnant women’s diet. Now expectant mothers pay more and more attention to maintaining body shape, therefore, they are more willing to eat vegetable and fruit, fish and egg milk to increase nutrition, but deliberately control the intake of staple food. some