Objective To ultrasonic bone density detection of pregnancy of distal radius bone density. Methods For examination of the Kuitun City Maternal and child health hospital perinatal health care clinics in 430 cases of pregnant women bone mineral density measurement, at the same time to select 100 healthy women as control. Results Each pregnancy bone density decreased significantly compared with the control group <0.05, between the bone density was negatively related to pregnancy. Conclusion Decreased bone mineral density was discussed in late pregnant women. Through the detection of ultrasonic bone density detection instrument, can be a very good understanding of bone calcium metabolism in pregnant women, the guidance of scientific and rational nutrition and health care of pregnant women, the safety of mother and baby.%目的：超声骨密度检测仪检测妊娠各期桡骨远端骨密度。方法在奎屯市妇幼保健院围产期保健门诊进行检查的430例各期孕妇进行骨密度测量，同时段选取100正常健康妇女作对照。结果各个孕期骨密度较对照组明显下降P<0.05，各个孕期骨密度之间呈明显负相关。结论妊娠妇女中晚期骨密度明显的下降。通过超声骨密度检测仪的检测，可以很好的了解妇女孕期的骨钙代谢情况，科学合理的指导孕妇营养保健，保障母婴安全。
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