All factors that can damage the function of bipolar gland, affect the gonad axis, interfere with the normal survival of the sperm, and the binding and transportation of sperm eggs and other factors can cause men or women.
(1) Factors that damage the function of men and women are: radioactive substances, various toxic chemicals, some anti -tumor or anti -metabolic drugs, a large number of smoke, drinking, etc.
(2) Factors that affect the function of influencing gland axis and inhibit the secretion of sperm, ovulation or sex hormones are: neuropsychological factors (tension, fear, anxiety), systemic chronic diseases, other endocrine disorders, malnutrition, obesity, etc., some contraception, some contraception, some contraceptionHormones and hormones that treat certain gynecological diseases can temporarily inhibit the function of gland axes.
(3) The main factors that interfere with the normal survival of sperm or obstruct the transportation of sperm are inflammation: especially sexually transmitted diseases, such as gonococci, chlamydia, mycoplasma, and syphilis.As inflammation changes the normal environment of the genitals, it is not conducive to the survival of sperm, causing tubal adhesion and obstruction, and affecting the operation and combination of sperm eggs.Inflammation can cause antibody antibodies, and anti -sperm antibodies in semen, cervix and plasma cause sperm cohesion, weakening or death.
(4) Genital malformations or sexual dysfunction: The germ development or sexual dysfunction can affect sexual life and lead to infertility.
(5) Chromosomal abnormalities: The couple have chromosomal abnormalities, which can lead to infertility, abortion, death, and deformity.
(Editor in charge: Internship Zhang Yiwen)
