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
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.