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pubmed:otherAbstract |
PIP: A study was conducted to determine the percentage of patients with nonmotile sperm 12 weeks after vasectomy, to estimate the time needed for eventual azoospermia in the men, and to record the percentage of patients with recurrence of nonmotile sperm after initial azoospermia following vasectomy. A review of semen analyses was conducted in 413 patients who underwent vasectomy between April 1, 1993, and July 31, 1995, in an outpatient department of the University Hospital of Maastricht. 395 patients delivered a sperm sample 12 weeks after vasectomy. Nonmotile sperm was found in 33% of patients 12 weeks after vasectomy, the mean time to azoospermia was 6.36 months, and nonmotile sperm after initial azoospermia was found in 5 of 65 patients. The authors conclude that azoospermia as a criterion for sterility leads to unnecessary prolonged semen analysis in a large percentage of vasectomized patients. The reappearance of nonmotile sperm was found in an unexpectedly high percentage.
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