Conclusion During pregnancy, bone mineral density decreased too slowly to be detected, and the changes of quantitative ultrasonic parameters could be detected until 6 weeks postpartum.
结论妊娠期间存在骨密度下降现象，但到产后6周才能检测到定量骨超声指标的变化。
Objective To evaluate the relationship between the urinary excretion of pyridinoline ( PYD) and longitudinal changes of forearm bone mineral density in the elderly.
目的了解老年人PYD的检测值以及与前臂骨密度动态变化之间的关系。
Methods of bone mineral density (BMD) measurement have been widely used for the diagnosis of osteoporosis, the predicting fracture risk and monitoring bone changes over time.
目前已有许多骨矿含量测量方法用于骨质疏松的诊断、骨折危险性的预测以及骨矿变化的监测。
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