Visit at http://www.andrologycorner.com/sperm-motility/Male infertility is on the rise and we are not doing a prettty good job at treating it. Low sperm motility is one of the major causes of infertility in men. Men with sperm motility in the range of 5 to 10% frequenltly have difficulties in achieving fatherhood naturally. The recommended normal sperm motility for a pregancy within a year of marriage is about 40%.