Obejectives: To investigate the effect of adminstration of MPA with/without TU on serum sexual hormones and spermatogenesis of male rats.

• 目的 :观察单独使用醋酸甲孕酮 (MPA)和联合应用MPA与十一酸睾酮 (TU)对雄性大鼠血清FSH、LH、T和生精功能的影响。