Causes Of Male Infertility

Male infertility may be due to

• A decrease in sperm count
• Sperm being blocked from being released
• Sperm that do not work properly

Male infertility can be caused by

• Environmental pollutants
• Being in high heat for prolonged periods
• Birth defects
• Heavy use of alcohol, marijuana, or cocaine
• Too little or too much hormones
• Impotence
• Infection
• Older age
• Cancer treatments, including chemotherapy and radiation
• Scarring from sexually transmitted diseases, injury, or surgery
• Retrograde ejaculation
• Smoking
• Use of certain drugs, such as cimentidine, spironolactone and nitrofurantoin

In healthy couples under age 30 who have sex regularly, the chance of getting pregnant is about 25 – 30% per month.

A woman’s peak fertility occurs in her early 20s. After age 35 (and especially 40), the chances that a woman can get pregnant drop considerably.