求翻译：More importantly,peripheral BMD measurement can be used to assess fracture risk at both peripheral and central sites and performs as well as central BMD,with the exception of assessment of hip fracture risk,which is best predicted by hip BMD measurement.Unfortunately，despite the availability of densitometry，osteoporosis often remains undiagnosed until a fracture occurs，and reluctance exists among physicians to rely on results of peripheral BMD testing for management decisions．Early identification of women at increased risk of fracture because of osteoporosis presents an opportunity for intervention to decrease fracture risk．是什么意思？

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