21世纪即将来临,许多新婚夫妇都想生一个健康的世纪婴儿孕妇怀孕后,胎儿在母体的子宫内逐渐发育长大,母体各个系统的生理负担都将大大加重.特别是循环系统方面,血液总量增加和身体新陈代谢加速,心脏负担要加重许多.胎儿由小长大,需要营养;母体本身由于代谢和消耗的增加,也需要营养.如果孕妇营养不足,对本身健康、对胎儿生长发育,以及妊娠生 The 21st century is approaching, many newlyweds want to give birth to a healthy century baby Pregnant women, the fetus in the mother’s uterus gradually grew up, the physical burden on the various systems of the mother will be greatly increased.Especially the circulatory system, the total blood Increased volume and accelerated body metabolism, the heart burden to increase a lot. Fetal small grown up, need nutrition; the mother itself due to increased metabolism and consumption, but also nutrition. If pregnant women lack of nutrition, on their own health, growth and development of the fetus, and Pregnancy