The objectives of the evaluation should rule out any contact with treatment and to identify those who are candidates for assisted reproductive technology, those with infertility and would consider adoption or artificial insemination through sperm donation and those who should undergo genetic evaluation.
The key elements of diagnosis are:
1 .- To evaluate the couple and determine whether the problem is man, woman or both.
2 .- An assessment of general health and rule out systemic diseases.
3 .- The evaluation should include: duration of infertility, previous fertility in men and women, contraceptive use, sexual function, frequency and duration of sexual intercourse and sexual practices.
4 .- Analysis of three or more semen samples after 48 hours of abstinence. Determine the density, motion and shape of sperm.
5 .- Measurement of hormone levels: testosterone, gonadotropin, LH, FSH, among others.
Depending on the cause, the male can be subjected to gonadotropin use, referral to a urologist for surgical correction in case of obstruction and restore the permeability of the passage of sperm or be raised considering assisted reproductive technology, such as fertilization in vitro.