Causes Of Male Infertility
More than 90% of male infertility cases are the result of a low sperm count, poor quality of the sperm, or both. The remaining cases of male infertility can be caused by a number of conditions including anatomic problems, hormonal imbalances, and genetic abnormalities.
Sperm are made in hundreds of microscopic tubes, which is known as testes, which together form the major part of the testicles. Around these tubes are lumps of tissue that Leydig cells, which produce testosterone when stimulated by luteinizing hormone (LH).
Sperm abnormalities may be caused by a number of factors, including birth defects, illness, exposure to chemicals and lifestyle. In many cases, the cause of sperm abnormalities known.
Risk factors for male infertility include: Varicocele, an enlarged vein varicose veins in the spermatic cord that connects to the testicle. Aging, which can reduce sperm counts and motility and reduce the quality of the sperm genetic.Sexually transmitted diseases, which can cause scarring in the male reproductive system, or impair sperm function.Lifestyle factors such as smoking and drug abuse.