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测定２２７例初产妇不同孕周血清铁蛋白（ＳＦ）等６项指标，观察到孕妇妊娠期铁贮备、血清叶酸和维生素Ｂ１２，随孕龄增加而呈显著性降低；缺铁性贫血、巨幼红细胞贫血和混合性贫血发生率呈逐渐增高趋势。贫血发生率为３０．４％，贫血合并好高征发生率为２７．５４％，合并胎儿宫内生长迟缓（ＩＵ－ＧＲ）发生率为１１．５９％。而贫血引起胎膜早破、宫缩乏力及胎儿窘迫和新生儿出生体重偏低，均较正常妊娠发生率高。结论指出，妊娠中，后期补充铁剂、叶酸和ＶＢ１２是防治贫血及降低母婴合并症的重要措施。
Determination of 227 cases of primiparous different gestational weeks serum ferritin (SF) and other six indicators observed during pregnancy pregnant women iron reserves, serum folic acid and vitamin B12, with a significant increase in gestational age was significantly reduced; iron deficiency anemia, megaloblastic The incidence of erythrocytic anemia and mixed anemia increased gradually. The incidence of anemia was 30.4%. The incidence of anemia complicated with high syndrome was 27.54%. The incidence of IU-GR was 11.59%. Anemia caused by premature rupture of membranes, uterine inertia and fetal distress and birth weight is low, higher than the normal incidence of pregnancy. Conclusions that iron supplementation, folic acid and VB12 in the second trimester of pregnancy is an important measure to prevent anemia and reduce maternal complications.