Sperm cryopreservation in oncological patients: a 14-year follow-up study.

Objective Oncologic treatments can destroy spermatogenic dividing cells and cause azoospermia which could be irreversible. Sperm banking is the best option to preserve male fertility after these treatments. It is easy, inexpensive, and safe. To date, few clinical data are available about large series of cancer patients. Our objective was to determine the usefulness of these preventive sperm freezing protocols. Design Prospective study. Setting University-affiliated private fertility center. Patient(s) One hundred eighty-six cancer patients who banked sperm samples at our center before surgery or chemo- or radiotherapy treatments from 1991 to 2004. Intervention(s) Conjugal status, age, type …