What causes infertility in men?
The most common male infertility factors include :
- Aazoospermia (no sperm cells are produced)
- Oligospermia (few sperm cells are produced)
- Rarely genetic disease such as cystic fibrosis or a chromosomal abnormality.
- Any current medical illness.
- Medical history (mumps, sexually transmitted diseases).
- Surgical history (operations on testes, inguinal hernia repair).
- Occupation (exposure to excessive heat, toxins).
- Drugs (chemotherapy).
- Smoking, alcohol indigestion.
- Erectile or ejaculatory difficulties.
Testing for male infertility is simple and routine. Male infertility is related to approximately 50% of all infertility cases, and male infertility alone accounts for approximately one-third of all cases.
What types of tests are performed?
A semen analysis :
is the most common testing procedure for determining if there is a male infertility factor.
If the medical history, physical examination, and semen analysis are normal, attention should be directed to the female partner before further evaluation of the man.
These tests are done to assess the various hormone levels that contribute to the reproductive process. Example given - serum testosterone, FSH, LH and prolactin levels.
Scrotal Ultrasonography (USG) and doppler study are done to rule out varicocele. This is an exam used to locate damage or blockages in the male reproductive tract, including the prostate, seminal vesicles, and ejaculatory ducts.
Read More about Ultrasonography