有关激素替代疗法(HRT)和膝关节镜的研究最近令公众较为关注这样一个问题：即应综合地权衡医学干预的益处与危害。雌激素与孕激素的复合替代疗法对美国健康的绝经后妇女而言,其危害性超过益处。无论该危害性能否得以证实,每一位妇 Research on hormone replacement therapy (HRT) and knee arthroscopy has lately raised public concern about the question of the benefits and harms of medical interventions that should be weighed together. Compound replacement therapy with estrogen and progestin is more harmful than beneficial to the health of postmenopausal women in the United States. No matter whether the harmfulness can be confirmed, every woman