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本文报道用 X 荧光分析法对不同时期妊娠妇女、初生儿的头发以及胎盘中微量元素含量变化并分析其相互间的关系,为优生优育工作提供科学依据。材料和方法1 病例选择:正常足月分娩产妇110例(其中初产妇107例,经产妇3例),年龄在22～28岁间,于怀孕的早、中、晚期分别剪取发样,并在其分娩后取胎盘组织及新生儿头发样品。另取健康同年龄组非孕妇女50例的头发样品,这些妇女近三个月没有服用
This paper reports the X fluorescence analysis of pregnant women at different stages of pregnancy, newborn hair and placental content of trace elements in the changes and analysis of their mutual relations for the prenatal and postnatal care to provide a scientific basis. Materials and methods 1 Case selection: 110 cases of normal full-term delivery of maternal (including 107 cases of primipara, maternal 3 cases), aged 22 to 28 years old, in pregnancy early, middle and late were cut hair samples and In its delivery after taking placental tissue and newborn hair samples. Another sample of healthy women of the same age with non-pregnant women, 50 cases of hair samples, these women did not take nearly three months