妊娠期合并缺铁性贫血以孕28～35周达到高峰,占妊娠期贫血的95%[1]。其影响因素除铁的摄入不足外,还有铁的吸收障碍和铁的丢失过多,妊娠期需铁量大量增加等。若孕妇体内储备铁不足或已有贫血,势必导致血液运输能 Pregnancy combined with iron deficiency anemia peak at 28 to 35 weeks of pregnancy, accounting for 95% of anemia during pregnancy [1]. In addition to iron deficiency factors affecting its inadequate intake, there are iron absorption disorders and excessive loss of iron, a substantial increase in iron demand during pregnancy and so on. If pregnant women lack of iron reserves or have anemia, will inevitably lead to blood transport