non-motile sperm means sperm don`t move in the semen ,which can be seen under the microscope.Non motile sperm will not move up through the cervix
& don`t enter uterus
from vagina .So chances of pregnancy
comes down .The exact cause for non motile / slow and sluggish motility of the sperm is not known. Tobacco ,under Nutrition, certain drugs, hormones and alcohol has bad effects on the motility of the sperm.. These factors and other effects which can cause low sperm count
and abnormal sperms. now a days certain drugs have come in the markets which increase motility & quality of sperm in the semen.My few male infertility
patient has got benefited.Most which contains Vita mine-E ,Antioxidants,co-Enzyme etc.