When a grown-up man is unable to impregnate a fertile woman despite regular sexual intercourse with the female, is considered to be infertile.
In medical laboratory that are investigations that are carried out in order to investigate a male infertility.
Below are some of the investigations that are performed to examine the infertility u of males;
1. Semen analysis
One of the basic method of investigating male infertility is to perform semen analysis.
This method involves the investigations of how fertile and viable the semenn of a man is.
2. Measure plasma testosterone luteinizing hormone (LH) and follicle-stimulating hormone(FSH) concentration.
Interpretations of LH and FSH constitution.
a. Low testosterone and raised LH concentrations indicate leydig cell failure.
b. A low testosterone with low LH concentrations suggest hypothalamic or pituitary disease.
c. Erase concentration of FSH usually with oligospermia indicates failure of seminiferous tubules. Testosterone concentrations may be normal.
d. A low FSH level with oligospermia is suggestive of pituitary or hypothalamic disease.
3. Measure plasma prolactin level
a. A significantly raised plasma prolactin is indicative of a pituitary disorder.
4. Perform combined pituitary stimulation test, if necessary