Age > years with no menses for or more months without an alternative medical cause. Age ? years with no menses for or more months without an alternative medical cause AND an FSH level > IU/L; or Age > years with no menses for or more months without an alternative medical cause. Age ? years with no menses for or more months without an alternative medical cause AND an FSH level > IU/L; or Postmenopausal defined as no menses for or more months without an alternative medical cause OR