Male Oligospermia What causes it? Oligozoospermia name suggests is male because some causes fewer sperm, low quality, so there are such men the situation must be timely treatment, then caused it? Address this problem, the following look at Dongguan Oriental urinary specialist hospital experts how to say it? men oligozoospermia the following reasons: 1, varicocele: the local temperature of the testicles elevated vasoactive substances affect testicular fine features, disproportionate degree of sperm quality of varicose spermatic vein. 2, cryptorchidism: cryptorchidism will affect semen quality, unilateral cryptorchidism about 60% will be infertile sperm density is low, there cryptorchidism exist, must be treated as soon as possible. 3, the urinary tract infection: subsidiary gonad chronic infection, can affect semen laboratory indicators. 4 autoimmunity: reproductive immunology research found that male autoimmune anti-sperm antibodies can affect fertility capacity can affect sperm production and shipping. 5, endocrine abnormalities: normal male spermatogenic function relies on the hypothalamic - pituitary - gonadal axis normal a part of any obstacles, affect the spermatogenic function, such as thyroid, adrenal disease can also affect gonadal function caused less azoospermia. 6 chromosomal abnormalities: chromosomal aberrations have a serious impact on sperm concentration, motility and morphology. 7 Other: scrotal temperature is too high, radiation injury, chemical drugs and the influence of drugs can cause oligospermia. Tips: These are experts introduced a male disease, what you do not understand, you can come to my hospital or visit our website www.dfmnyy.com our online experts to answer your treatment.