Effectiveness of “swim up” and “gradient” methods in sperm preparation for artificial insemination

Artificial insemination with sperm preparation and inseminate to the uterus is a common method of infertility treatment. Objectives and methods: cross-sectional description in 166 cycles of artificial insemination in Hue University Hospital from April, 2012 to March, 2013 in order to compare effectiveness between “swimup” and “gradient” methods. Samples were collected randomly into two methods.