Osteoporosis is characterized as loss of bone mass, deterioration of trabecular morphography and increase of bone fragility and tendency of fracture.

• 骨质疏松是以进行性骨丢失、骨小梁退行性变、骨脆性增加和易发骨折为特征的疾病，绝经后妇女OP发病率和骨折率可随年龄增长而升高。