The bicycle has been linked to impotence in men, and can also affect fertility. The pressure of the saddle can damage blood vessels and nerves that are responsible for erections.
Some cancers and their treatments, especially testicular cancer, impede sperm production, often severely. Cancer treatments such as chemotherapy and radiation can damage sperm quality and quantity, which causes infertility.
Defective genetic material: Sperm carry half the genetic material needed to make a human being. Infertile men have been reported to have a relatively high percentage of sperm with broken or damaged DNA.
The environmental insults: exposure to toxins, chemicals or infections may reduce sperm count either by direct effects on testicular function or changing the hormonal systems, although the extent of the impact and specific environmental assaults involved are questionable. Some experts believe that it contributes to a general worldwide decline in male fertility.
Excessive exercise has been associated with reduced sperm production.
Fertilizing the egg of a woman must be performed in order to get pregnant partner. Therefore, a man must be able to deliver healthy sperm in the vagina. Semen must be properly trained and able to move towards the egg for fertilization to occur. If the shape and the structure (morphology) or abnormal sperm movement (motility) is impaired, sperm may not be able to reach or penetrate the egg.
Glandular infection in the urinary tract or genitals: glandular infection that can affect fertility include prostatitis (in the prostate gland), orchitis (in the testicle) semino-vesculitis (in the glands that produce sperm ) or urethritis (the urethra), possibly by altering sperm motility.
Heavy addictions: cocaine or using heavy marijuana seems to temporarily reduce the number and quality of sperm by as much as 50%. Sperm cells have receptors for certain compounds in marijuana that may affect the ability of sperm to swim and also prevent them from entering the egg. The heavy alcohol consumption may also affect fertility.
Impotence (erectile dysfunction) is when a man has trouble getting or keeping an erection long enough for sex. This occurs when the blood flows not enough to the penis.
Inherited diseases that affect fertility: some inherited disorders can impair fertility such as cystic fibrosis, Klinefelter syndrome, Kartagener syndrome and polycystic kidney disease.
Jumpstart fertility through the adoption of healthy lifestyles. Eat healthy. Exercise moderately and refrain from heavy abuse.
Renal or hepatic impairment, chronic anemia, HIV, diabetes, thyroid disease, Cushing's syndrome, a heart attack or a serious injury or major surgery are medical conditions that can affect male fertility.
Low sperm count: There must be enough sperm in the semen to make the probable pregnancy. Normal sperm concentration is greater than or equal to 20 million sperm per milliliter of semen. A count of 10 million or fewer sperm per milliliter of semen indicates low sperm concentration (of subfertility).
Lubricants used with condoms, including spermicides, oils, and Vaseline, can affect fertility. Astroglide, Replens, or mineral oil may not be as harmful to sperm. However, oil-based lubricants can damage latex condoms and should be avoided.
Drugs: Drug effects on sperm quality and number have not been studied extensively, and many drugs are commonly prescribed without knowing whether they impair fertility. Anabolic steroids (which were too abused by weightlifters and other athletes) deserve special attention because they are known to seriously harm sperm production. Other drugs that can affect male fertility are cimetidine (Tagamet), sulfasalazine (Azulfidine), sulfasalazine, colchicine, methadone, methotrexate (Folex), phenytoin (Dilantin), corticosteroids, spironolactone (Aldactone ), thioridazine (Mellaril), and calcium channel blockers.
Mumps: When mumps develops after puberty, it damages the testes in 25% of men with the disease.
Mycoplasma is an infectious organism that seems to attach to sperm cells and make them less mobile.
No semen (ejaculate). The absence of ejaculation can occur in men with spinal cord injuries or diseases. This fluid carries sperm from the penis into the vagina.
Obesity may be a risk factor for male infertility. An epidemiological study of 2006 showed an increase of 20 pounds in the weight of a man has increased the chances of infertility by about 10 percent.
Premature ejaculation can occasionally make fertilization difficult or impossible for couples who are trying to become pregnant.
Ask your doctor: When a couple has failed to conceive after a year of reports at the right time, they should seek specialized care. In cases where the woman is older than 35 years, the treatment should be sought after six months of reports at the right time.
Chlamydia trachomatis or gonorrhea repeated infections are most often associated with male infertility. These infections can cause scarring and block sperm pass. Human papillomavirus, the cause of genital warts, may also impair sperm function.
Smoking damages sperm motility, sperm reduces the service life and can cause genetic changes that affect the offspring.
Stress can interfere with GnRH and reduce the sperm count.
Testicular Overheating: high fevers, saunas and hot tubs may temporarily lower sperm count. Persistent exposure to high temperatures during labor may impair fertility.
Undescended testis: The testicles produce male hormones and sperm. Usually both testicles are within the scrotum. While male babies are still growing inside the uterus, the testes are within their abdomen. The testicles usually move down into the scrotum just before or just after birth. An undescended testicle is one that did not descend into the scrotum.
Varicocele: This is when the veins in the scrotum become enlarged, twisted or swollen (similar to varicose veins in the leg). This heater inside the scrotum and may affect sperm production.
Wearing tight pants and underwear. According to a study on "tight underwear and sperm quality," published June 29, 1996, in the journal The Lancet. Tight underwear is not recommended for men who are trying to conceive a child, because it can increase testicular temperature to a point where it interferes with the production of sperm.
X chromosomes play a role in some forms of male infertility resulting from low sperm counts. The scientists found that nearly half of the genes associated with the production of sperm are found in the X chromosome, universally considered the female sex chromosome. Many genes for early production of sperm can be found on the X chromosome
Your loss of libido (reduced or lost interest in sex) may also be a factor in male infertility....
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