Abstract
Vasectomy was performed in 90 men in Helsinki, Finland. Operation was performed on an ambulatory basis under local anesthesia. After resection and ligation of vas deferens the cut ends were placed in different fascial planes in order to avoid recanalization. The patients were mainly in the age group 31-40 yr. Seven patients had postoperative complications, scrotal hematoma being the most common. Recanalization was found in 1 patient, in whom a new operation was performed. The importance of a correct vasectomy method, histological verification of the divided vasa and most of all the postoperative sperm analysis are stressed. Two negative sperm analyses with an interval of at least 1 mo. must be recorded before sterility can be confirmed.

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