Sperm AB normal value at present we refer to the WHO fifth edition of the semen routine reference value, that AB sperm should be greater than 32%, but in the clinical may be more concerned about the absolute number of AB sperm, this is how to calculate? You can try it yourself, that is, multiply the semen volume by the sperm concentration, and then multiply it by the percentage of AB sperm, so that the absolute number of AB sperm is calculated. Of course, we have to look at the quality of this semen routine report is how, generally believe that a semen routine report analysis, analysis of the sperm count is best in 400 or so, but if the man himself is oligozoospermia, you can properly lower this standard.