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目的分析孕妇血清钙、镁、锌、铁含量,指导孕妇合理补充。方法选取2013年4月—2014年3月本院就诊的孕妇1 483例作为研究对象,按孕期分为孕早期组342例、孕中期组560例、孕晚期组581例;根据孕妇年龄分为≤24岁组241例、25~29岁组741例、30~34岁组349例、≥35岁组152例;选择同期体检的同龄健康妇女127例作为对照组。分析各组血清钙、镁、锌、铁含量水平。计量资料采用方差分析,两两比较采用LSD-t检验,P<0.05为差异有统计学意义。结果不同孕期各组血清钙、镁、锌、铁水平及缺乏率比较差异均有统计学意义(均P<0.05)。孕晚期组钙、镁、锌、铁水平均低于其他组,缺乏率均高于其他组,差异均有统计学意义(均P<0.05)。≥35岁组镁、铁含量均高于≤24岁组,差异均有统计学意义(均P<0.05)。结论孕妇血清钙、镁、锌、铁的含量随孕期及年龄变化而有差异,应根据实际情况做到合理补充。
Objective To analyze the serum calcium, magnesium, zinc and iron contents of pregnant women and guide the pregnant women to make reasonable supplements. Methods A total of 1 483 pregnant women in our hospital from April 2013 to March 2014 were selected as the study subjects. According to their pregnancy, 342 pregnant women, 560 pregnant women and 581 pregnant women were divided into three groups according to the age of pregnant women 241 cases were ≤24 years old, 741 cases were from 25 to 29 years old, 349 cases were from 30 to 34 years old and 152 cases were from ≥35 years old. 127 healthy women of the same age were selected as the control group. The levels of serum calcium, magnesium, zinc and iron in each group were analyzed. Measurement data were analyzed by ANOVA, pairwise comparisons using LSD-t test, P <0.05 for the difference was statistically significant. Results The levels of serum calcium, magnesium, zinc and iron in each group during different stages of pregnancy were significantly different (all P <0.05). The levels of calcium, magnesium, zinc and iron in the third trimester of pregnancy were lower than those in the other groups. The rates of deficiency were higher than those in other groups (all P <0.05). The levels of magnesium and iron in ≥35 years old group were higher than those in ≤24 years old group, the differences were statistically significant (all P <0.05). Conclusion The serum levels of calcium, magnesium, zinc and iron in pregnant women vary with gestational age and age, and should be rationally supplemented according to the actual situation.