<prompt> WHO 2010 definition of normal sperm count :more than or equal to10 millionmlmore than or equal to 20 millionmlmore than or equal to 40 millionmlmore than or equal to 50 millionml  <response>: WHO definition for sperm concentration is 20 millionml or more. Otherwise total sperm count is 40 million per ejaculate or more. Shaws Textbook of Gynaecology 16th edition page no 243 Image Refeence: DC Duttas Textbook of Gynecology , page no.190 