Men's infertility, according to the standard of the World Health Organization, is 1 year, referring to the history of infertility life at least 12 months without conceiving the woman.Primary men's infertility means a man never conceive a woman.Secondary men's infertility refers to a man conceived a woman.Generally speaking, men's non -breeding is more likely to recover from primary infertility.
The reason for men's infertility
Blocked vastness
Such as epididymal, vascular tubes, ejaculation pipes, and urethral lesions can cause obstacles to semen transport. Clinically, it is often manifested as obstructive sperm, which directly affects male fertility.
Ejaculation
Such as impotence, deformity of the external genitals, and trauma, so that it cannot be sexual intercourse, or premature ejaculation, retrograde ejaculation, etc. The semen cannot enter the female reproductive tract and cannot bred a fetus.
Semen abnormalities
Oclusted semen, mainly including sperm, less weakness, blood essence, sperm deformity, and dead essence. Among them, less spermatozoa, non -spermatic inferturies, dead essence infertility and hemospermia are the main causes.Essence
Obstacle
Such as iconic veins, congenital testicular dysplasia, cryptor testis, orchitis or testicular atrophy, endocrine diseases, etc., can cause reduction of sperm, decreased mobility, or sperm deformed, leading to infertility.
(Editor in charge: Peng Zhixing)
