When a couple has trouble getting pregnant then they may wonder what causes male infertility. Infertility can be caused by problems with the female, the male, or the couple together. About one-fifth of infertility cases are due to male infertility alone. There are numerous medical, environmental, and sexual behavior issues that influence cause male infertility.
- Most male infertility is the result of problems with sperm. The sperm may not be shaped correctly may not be able to reach the egg. A low sperm count is when there are fewer than ten million sperm per milliliter of sperm. The causes of these problems can be a varicose vein in the scrotum, a deficiency of testosterone, infections or a genetic defect.
- Issues with sperm delivery can cause male infertility as well. Erectile dysfunction, premature ejaculation, blockages, and the presence of anti-sperm antibodies can all interfere with the effective delivery of the sperm.
- The general health of a man can increase infertility. Smoking, drinking alcohol, and substance abuse can all cause infertility issues. If a man is significantly overweight or over 40 years old then fertility can decrease. Exposure to pesticides, toxic chemicals, or heat may affect the count or potency of sperm. Some illness and the treatment for those illnesses can cause infertility.
- Even stress can cause interfere with the release of hormones. These hormones are required to produce viable sperm. Emotional distress, work stress or grief can elevate stress levels. Even the long-term stress of infertility problems and treatments can cause infertility problems.
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