Fators that affect the fertilization
a. Epididymis, vas deferens, ejaculatory duct and catheter are all where semen must go through, pathological changes in anyone of the four can preclude the movement of the sperm, then leads to infertility.
b. Retrograde ejaculation: semen reflux into the bladder.
c. Abnormal external genitalia: for instance, congenital absence of the penis, too small penis, epispadias and hypospadias can all brings about difficulty in sex life.
Endocrine dysfunction: for example, pituitary hypofunction is prone to cause barrier for the growth of seminiferous epithelium or germ cells.
Other causes：some systemic diseases, severe malnutrition, radiation, high temperature, poisoning, low-grade cotton seed oil or sperm antibody are all the factors that may lead to infertility.
Reporter: It is said that men who work in IT industry run a high risk of suffering from prostatitis. Why?
Dr. Lee: Men in the IT industry are almost own common habits. They sit for 8 to 10 hours in front of the computer at work. Seldom will them spare time to drink water or have the awareness of urinating. Moreover, they usually stay up all night. Those are all factors which can brings about prostatitis.
If you have problems, you can contact herbalistlee@yahoo.com
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