Spermatozoa selection in discontinuous Percoll gradients for use in artificial insemination.

Abstract

In a preliminary study of the ejaculate of 93 men, changes in motility and hypo-osmotic swelling before and after sperm separation by discontinuous Percoll gradients were evaluated. Both parameters improved significantly (P less than 0.01) in Percoll-separated spermatozoa. In a second stage, 99 couples underwent intrauterine insemination of separated semen… (More)

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