Abstract
Sperm cryopreservation is an essential tool in preservation of fertility in oncology and vasectomy patients, and when male partners are unavailable during assisted reproductive technologies (ART). Test vials (TVs) are used to determine cryosurvival (CS) and are important for cryopreservation decision making and ART counseling; yet no agreement exist on optimal TV protocols. This study investigated efficacy of pre-freeze semen parameters and TVs in predicting CS of future ART procedure vials (ARTVs) and the necessity of obtaining a TV for every ejaculate a patient supplies.
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