Cryopreservation of human semen is the most
commonly accepted method of preserving
reproductive capacity. Semen can be collected and
banked for use in assisted reproductive techniques
(ART) especially in cases where the patient elects to
undergo vasectomy for contraceptionor, most
importantly, when a patient is diagnosed with cancer
and the treatment may render him infertile (1- 4).
Semen can be used successfully indefinitely after
cryopreservation. For human sperm, the longest