Main Page | See live article | Alphabetical index Postmenopausal osteoporosis is a form of osteoporosis that commonly occurs during the decades after menopause. It is a pathological condition of the human skeleton that is characterized by the following features : low bone mass bone fragility caused by worsening of microscopic structural properties of the bone consequent susceptibility to fractures Osteoporosis is assessed, according to WHO criteria, as bone mineral density (BMD). The T-score is a representation of patient's BMD expressed as number of standard deviations below or above mean BMD of the young adult. T-score values below 2.5 SD are defined as characteristic of osteoporosis. Values between -1 SD and -2.5 SD are defined as osteopenia. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.