What Causes Male Infertility?

Infertility is the inability to get pregnant after trying for at least one year without using birth control. About 15% of couples are infertile. About one-third of cases of infertility are caused by male factors alone. What are the causes of male infertility?

Variocele, or the varicose vein in the scrotum, is the most common cause of male infertility. It occurs when the veins are enlarged one or both sides. This causes the heat inside the scrotum to affect sperm production.

It can also be caused by abnormal testicular abnormality or testicular cryptorchidism, which is the failure of testes to descend. This will not only lead to infertility, but also induced malignancy. It can be caused by adverse environmental factors, fetal damage the embryonic primordia, and birth trauma caused by the delivery process.

There are many types of infections that might cause sterility or low sperm counts in men. These can be recent infections or from childhood. Common infections can be mumps or certain types of sexually transmitted infections (STI).

Chromosomal abnormalities such as hermaphroditism, benign abnormal genital development can also cause infertility.

Diseases like diabetes and hypertension can effect hormonal controls and sperm production, particularly when not controlled are also causes of infertility.

Exposure to harmful substances or environmental impacts such as overheating miner’s room, tight underwear and excessive gravity load may affect the ability to reproduce.

Problems in getting or maintaining an erection will lead to problems getting the sperm out. Sometimes this is caused by a chronic illness like hypertension or heart problems, it can also be caused by paralysis.

Drugs and substances such as nicotine, alcohol, opium overdose, could affect sperm production. Anti-epileptic drug has a direct impact on spermatogenesis.

Injuries in the testicles may also have issues with sperm production.

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