background: sexual dysfunction is one of the most common problems in men after coronary artery bypass graft (cabg). etiology of sexual dysfunction in these patients may be psychological or organic due to hormonal changes. objective: the purpose was to evaluate the incidence and type of sexual dysfunction and changes in serum concentration of sex hormones in male patients undergoing on-pump cabg...

The Paper is divided into two parts; at first: The role of endocrine system on anatomical development of internal and external sexual organs; Second part discusses the Endocrine View point of gender identity gender role, impotence, frigidity and other psychosexual disorders like homosexualism and transsexualism.