铁缺乏症在婴幼儿和孕妇中发病率较高,危害面广,其防治受到国内外学者重视。由于娶儿出生后的第1年和第2年内,其血红蛋白内铁的70%和40%是胎儿期从母体摄取的。而母亲在孕期供给胎儿、胎盘及脐带生长所需的铁高达375～475mg。因此,母婴铁代谢的研究对婴幼儿及孕母缺铁的防治有重要意义。 Iron deficiency in infants and pregnant women in a higher incidence, a wide range of hazards, prevention and treatment by domestic and foreign scholars attention. Since the first and second year after the birth of a married child, 70% and 40% of the iron in the hemoglobin is taken from the mother during the fetal period. The mother supplies fetuses during pregnancy, placenta and umbilical cord growth required for up to 375 ~ 475mg of iron. Therefore, the study of maternal and infant iron metabolism in infants and pregnant women iron deficiency prevention and control is of great significance.