Personal Attribute personal attribute Sex An arbitrary categorization of individuals based on the assemblage of physical properties related to reproduction, and commonly associated with the designation of such categories as female and male. This designation is based on a combination of observable information from organ inventories, morphological assessments, hormone assessments, genetic testing, observed primary and secondary sex characteristics, menstrual status, and/or obstetric history. Current sex designation may or may not be the same as an individual's sex assigned or reported at birth. Sex for Clinical Use SPCU SEX Sex sex Sex Parameter for Clinical Use Sex Designation