Vaso-vasostomy, undoing a sterilization

Scholtmeijer, R.J.

Nederlands Tijdschrift Voor Geneeskunde 122(13): 417-419

1978


ISSN/ISBN: 0028-2162
PMID: 643095
Document Number: 132175
Of 11 vaso-vasostomies carried out in 1975 and 1977 to restore fertility in vasectomized men, 7 of the operations were successful. To be considered successful the operation must result with production of an ejaculate of normal composition, with 20 million sperm/ml, 60% of which are mobile and 70% of which are normally formed. Reasons for the failure of vaso-vasostomy include: initial bad ejaculate quality, development of sperm antibodies, faulty operative techniques, innervative disturbances of the vas deferens, and scar formation blocking the vas deferens.

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