Conception rate according to semen characteristics in a series of 15 364 insemination cycles: results of a multivariate analysis.


The study was undertaken on 1438 ejaculates from 342 donors. The sperm count, volume, prefreeze and postthaw motility were evaluated for each ejaculate and the morphology for the first ejaculate of each donor. The success rate was found to increase steadily with the sperm count, prefreeze and postthaw motility. For the volume and percentage of all abnormal… (More)


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