• * The center of assisted medical procreation of the CHU St Pierre is specialised in reproductive medicine. Reference center: quality label ISO 9001 obtained in 2008 and accredited by the AFMPS (Agence Fédérale des Médicaments et Produits de Santé).

The sperm is collected through masturbation into a sterile pot, either at the hospital in a specially designated room, or at home providing that the sample is brought from home to the hospital within the hour and that the sample is kept at body temperature.


Sperm preparation

Sperm preparation consists of separating the spermatozoa from the seminal fluid and selecting the most motile spermatozoa with a normal morphology.

This seminal fluid can be toxic for the spermatozoa in the long term and cause infectious or allergic reactions if it is directly introduced into the uterine cavity, hence the need to eliminate it.

A spermogram is carried out before and after preparation.

The sperm preparation technique we use in the laboratory is called density gradient.




In some cases, if there is no sperm in the ejaculate, it is possible to surgically retrieve fragments directly from the testicles or epididymis.





Plan du site CHU Saint Pierre - Bâtiment 200, 5è étage . Département de Gynécologie-Obstétrique

Centre de Fécondation In vitro - 322, Rue Haute - Bruxelles Tel +32(0)2 535 3406 Fax +32(0)2 535 3409