2010 AUA 男性无精症评估威廉亚洲博彩公司
2010 AUA The Evaluation of the Azoospermic Male: Best Practice Statement.
2010-01-01
Approximately 15% of couples are unable to conceive after one year of unprotected intercourse.A male factor is solely responsible in about 20% of infertile couples and contributory in another30-40%.1 Azoospermia, defined as complete absence of sperm from the ejaculate, is present inabout 1% of all men2 and in approximately 15% of infertile men3. Azoospermia is different fromaspermia, in that aspermia is the complete absence of seminal fluid emission upon ejaculation.Differentiation of azoospermia from severe oligospermia is accomplished by examination of thepellet of a centrifuged semen sample on at least two occasions. This review offersrecommendations for diagnosing and defining the etiology of azoospermia. Patients with severeoligospermia may be evaluated in a similar manner.