title: Psychological development and blood levels of sex steroids in male identical twins of divergent sexual orientation.
abstract: Despite differences in psychological development and personality structure, blood levels of testosterone and estradiol were equivalent in two monozygotic male twins of divergent sexual orientation.
mesh_terms: D000328:Adult; D000735:Androstenedione / Q000097:blood; D004958:Estradiol / Q000097:blood; D005260:Female; D012739:Gonadal Steroid Hormones / Q000097:blood*; D006716:Homosexuality / Q000097:blood*; D006801:Humans; D008950:MMPI; D008297:Male; D011247:Pregnancy; D011606:Psychosexual Development; D012725:Sexual Behavior; D013739:Testosterone / Q000097:blood; D014427:Twins; D014430:Twins, Monozygotic; D014888:Wechsler Scales
chemical_list: D012739:Gonadal Steroid Hormones; D013739:Testosterone; D000735:Androstenedione; D004958:Estradiol