Necrospermia is still a poorly documented cause of male infertility. A
mong infertile subjects, the incidence reported in the literature is 0
.2 to 0.48 per cent. We undertook a retrospective study to contribute
to the comprehension of this abnormality. Histories, physical examinat
ion, analysis of the semen and hormonal dosages performed in necrozoos
permic subjects were reviewed, We observed that in patients with necro
spermia in at least three semen samples, infections represent 40 per c
ent of aetiologies, In 20 % of the whole population, no aetiology was
observed, but abnormalities of the epididymis function was suggested,
Through this study, we suggest an aetiological classification and prac
tical guidance in case of necrozoospermia.