The sterility is a problem that involves the difficulty or inability to have children. In the case of men, as with women, after a year of maintaining relations without contraceptive protection is time to ask for help to the specialist.

Causes

The most common causes of infertility in men are:

·  Little or no sperm number: due to disease or other disorders suffered the number of sperm may be lower than normal.

·  Little or no mobility of sperm: this reduces the ability of sperm to reach the egg and fecundarlo.

·  Impotence and retrograde ejaculation: both the inability to have sex as failing eyacular outward cause infertility.

Test

·  Seminograma or Espermograma: analyzing a sample of semen in order to observe the ph of semen, the number of leukocytes and the number, mobility and morphology (shape) of the sperm.

·  Testicular biopsy involves extracting and analyzing a sample from the interior of the testicles. This test is usually performed when the results of the previous so require, for example if detected azooespermia (no sperm in the semen).

Treatment

·  Pharmacotherapy: it is prescribed to humans if the problem stems from him.

·  Artificial Insemination: consists treat semen before inserting into the ovaries of women.

·  In vitro fertilization: fertilization of the egg and sperm takes place outside of the woman's body.

·  Sperm Injection: consists of injecting a single sperm into each egg and what it takes less sperm. This luso can be obtained, even testicular biopsy.

·  Donation of ova or sperm: used ova or sperm of another person.