1. Male semen abnormality Semen abnormality is a very important cause of male infertility, mainly including the presence or absence of sperm, oligospermia, weak sperm, blood sperm, sperm abnormalities and dead sperm, etc., especially oligospermia and infertility, Azoospermic infertility, dyspermia infertility and hematospermia are the main reasons.It is more difficult to treat infertility caused by this cause.2. Men’s spermatogenic disorders such as varicocele, congenital testicular dysplasia, cryptorchidism, orchitis or testicular atrophy, endocrine diseases, and other factors can cause reduced sperm counts, decreased motility, or sperm deformities, leading toEducation.It is also difficult to treat infertility caused by this cause.3. Male insemination is blocked Male infertility can also lead to infertility, such as epididymis, vas deferens, ejaculation ducts and urethral lesions, which can lead to impaired semen delivery, clinically manifested as obstructive azoospermia,Directly affect male fertility.The treatment of infertility caused by this situation is mainly based on restoring the ability of the vas deferens to transport semen. Compared with the two previous causes of infertility, the treatment is more promising.4. Male ejaculation disorders such as impotence, malformation of external genitalia, trauma, which makes it impossible to have sex, or premature ejaculation, retrograde ejaculation, etc., semen can not enter the female reproductive tract, nor can it conceive a fetus.Infertility caused by this cause can be improved as long as it is actively treated.5. Other factors In addition to the above main factors, male infertility is also caused by immune factors and disease factors, such as excessive sperm antigenicity, seminal vesiculitis, prostatitis, prostaglandin abnormalities, long-term smoking, alcohol abuse, etc.Can cause male infertility.Infertility caused by this cause can often be improved as long as the cause is removed.What are the reasons for men’s infertility?The above five reasons are the causes of male infertility. As long as they are treated positively and actively, many male infertility can be improved. We must actively treat them, and do not lose confidence.