Labels:text | screenshot | black | black and white | font | monochrome OCR: a drop of Sperm motility is assessed by examini undiluted seminal fluid and recording grade 3 percentage of motile forms. Sperm wit ose with motility move rapidly across the field, se with grade 2 motility move aimlessly, and t not grade 1 motility have a beating tail but of sperm move. Normally, sixty per cent or mor r more. are motile, with an average grade of 2.