Male Infertility Causes & Aetiology

Male Infertility Causes & Aetiology

Male infertility is usually caused by problems that affect either sperm production, motility, or morphology. Male infertility affects approximately 1 out of every six couples. Today, male factors contribute to about 30% -40% of all infertility cases.

The leading causes of infertility in males

1. Hypothalamic or pituitary disorder (1-2%)

2. Primary testicular disease (30-40%)

3. Acquired testicular damage

4. Genetic causes

5. Obstructive lesions of the male genital tract

6. Sexual dysfunction

7. Immunological causes

8. Ageing

9. Systemic cause thyroid/liver disorders)

10. Idiopathic

Male infertility usually occurs because of inadequate numbers of sperm, decreased motility, abnormal forms or problems with erection, or ejaculation.

Causes for abnormality in sperms may be due to one of the following conditions

1. Inflammation & infection of testicles

2. Swollen veins in the scrotum (Varicocele)

3. Abnormally developed testicles.

Causes for abnormality in other semen parameters

1. Use of alcohol, tobacco, or other drugs

2. Severe mumps infection (or) other STI (sexually transmitted infections)

3. Hernia repairs

4. Hormone disorders

5. Exposure to poisonous chemicals/radiation

6. Injury to the groin area

7. Wearing tight undergarments

Erection dysfunction & ejaculatory disorders (premature or retrograde ejaculation) requires proper evaluation & treatment by a qualified andrologist. Knowledge of causes and risk factors for male infertility plays an important role in diagnosing & treating the condition.