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Updated: Aug 17, 2026

Sperm Collection of Differential Quality Using Density Gradient Centrifugation
Published on: November 29, 2018
[Treatment of infertility, caused by retrograde ejaculation, using intrauterine insemination with sperm enhanced by
1Szent-Györgyi Albert Orvostudományi Egyetem, Szülészeti és Nögyógyászati Klinika, Szeged.
Abstract:
The causes and the pathomechanism of retrograde ejaculation are reported by the authors. In their case following the failure of the conservative treatment a successful intrauterine insemination was carried out in the superovulatory monitored cycle by semen are covered from the postcoital urine and washed in Ham-F-10. After an undisturbed twin pregnancy a mature male and a female infant was born using Caesarean section. There is a greater chance for pregnancy if the sperms recovered from the postcoital urine are numerous and if their motility is good.
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