OBJECTIVE:To establish stress repioduction endocrine dysfunction(SRED) model in mice or rats for observation of the stress effects on function of reproduction endocrine system.METHODS:Acute and repeated stress conditions in mice or rats were induced by hanging and immobilizing methods and the plasma level of related steroid hormones were detected by RIA.Their sexual cycles or behaviors were detected by daily vaginal swabbing or conventional method.RESULTS:In male mice,the plasma levels of testosterone we...