正常射精过程是取决于排尿膀胱颈和后尿道功能的完整性,才能使精液进入尿道,关闭膀胱颈和从尿道内排出内容物。解剖上,创伤,神经原性或药物引起等任何因素干扰了这种完整性可导致尿道内括约肌功能异常。由于通道几无阻力而有利发生逆行射精(RE)。RE有先天性,后天性和特发性是引起男性不育不常见的原因。近年来由于盆腔生殖道恶性肿瘤进行手术积极治疗,交通事故 The normal process of ejaculation depends on the integrity of the urinary bladder neck and posterior urethra to allow seminal fluid to enter the urethra, close the bladder neck and expel the contents of the urethra. Anatomical, traumatic, neurogenic, or drug-induced interference with any of these factors can lead to dysfunctional urethral sphincter function. Retrograde ejaculation (RE) is favored due to the few resistances in the channel. RE has congenital, acquired and idiopathic causes male infertility is not common cause. In recent years, aggressive treatment of pelvic genital malignancy due to surgery, traffic accidents