First, sexual life is frequent or improper.
Although testicles can produce tens of millions to hundreds of millions of sperm per day, after ejaculation, sperm can be mature and reached enough after 5 to 7 days.If there are too many sexual life or no control, the amount of sperm shot at each time is not easy to conceive.In addition, sexual life is interrupted, masturbation or duration of each sexual life can cause sterile nature, which directly affects the nutritional components and sperm vitality of semen, causing infertility.
2. Excessive contact with female substances.
With the development of society and the changes in various environments, there are more and more opportunities for people to expose low -dose female substances for a long time, such as artificially raised freshwater fish and poultry.Important reason.
Third, sexual life is chaotic and unclean.
Sexual life is chaotic and unclear causes male reproductive tract infections.The pathogens that cause reproductive tract infections are gonococcus, tuberculosis, virus, mycoplasma, chlamydia, trichomoniasis, etc. Among them, mycoplasma and chlamydia infection are the most common.Reproductive tract infection first affects the generation of sperm and the transportation of sperm, resulting in young sperm and causing reproductive ability.Genital tract infection can also cause sperm vitality changes. Reproductive tract infection can inhibit the secretion of intrinsic glands, cause insufficient semen secretion, lack of semen nutrition, changes in acid and alkali, and changes in semen composition, which affects the growth environment of the sperm and causes the vitality and number of sperm to be serious.Decreased infertility.
