Male infertility is the result of many diseases or factors, the common factors are.
1. Testicular abnormalities.
Such as cryptorchidism, which not only leads to infertility, but also induces malignancy; androgen insensitivity syndrome, etc.
2. Chromosomal or genetic abnormalities.
Such as Creutzfeldt-Jakob syndrome, XYY syndrome, Y chromosome microdeletion, etc.
3, testicular trauma and surgery.
The testes are superficially located and easily injured, which can lead to testicular atrophy in addition to stimulating abnormal immune responses, both of which can lead to infertility. Medical injury to testicular vessels and vas deferens can also lead to infertility.
4. Gonadotoxins.
Commonly, there are radiation, drugs, food, life and work environment factors, etc.
5.Infection.
Testicular infection, mumps after puberty 30% combined with testicular infection, testicular atrophy is the most common serious consequence of viral testicular infection. Infection can lead to obstruction of the vas deferens, the formation of anti-sperm antibodies, and the role of leukocytes in semen leading to abnormal seminal plasma.
6. Systemic diseases.
Systemic diseases leading to infertility are often the result of a combination of multiple factors. Systemic diseases that often cause infertility include renal failure uremia, liver cirrhosis liver insufficiency, etc.
7, varicocele.
Varicocele causes infertility is the result of a combination of factors.
8, thalamic diseases.
Hypogonadotropic hypogonadism, etc.
9, pituitary disorders.
Pituitary insufficiency, hyperprolactinemia, etc.
10.hyperthyroidism or hypothyroidism.
11, vas deferens obstruction.
Vas deferens obstruction leading to azoospermia is an important cause of male infertility. Such as congenital obstruction, vas deferens, idiopathic epididymal obstruction, ejaculatory duct obstruction, etc.
12, Immunological infertility.
Anti-sperm antibodies are an important cause of immune infertility. Common causes include testicular trauma, torsion, biopsy, infection or after vasovaginal anastomosis surgery.
13, sexual intercourse or ejaculatory dysfunction.
Decreased libido, ED, and ejaculatory dysfunction are common causes of infertility, and most can be cured except for some organic causes.
14, mental factors.
Those who are overly stressed, mostly due to poor erectile decline and cause infertility.
15, drugs and drug effects.
Such as nicotine, alcohol, opium, etc., in excess, can affect the production of sperm. Anti-epileptic drugs have a direct effect on sperm production.
16, environmental effects.
Overheated miners in the pit, boilermakers, etc.; underwear too tight; excessive smoking and drinking; lack of oxygen conditions, can affect fertility.