A sperm bank takes a number of steps to ensure the health and quality of the sperm which it supplies and it will inform customers of the check which it undertakes, providing relevant information data about individual donors. sperm is produced by way of masturbation. The sperm will be checked to ensure its lushness and also to ensure that motile sperm will survive the freezing process. sperm washing is required prior to storage because it removes chemicals which may cause adverse reactions in the uterus. It also enhances the fertilizing capacity of the sperm and thus recommended in case of immunologic, male factor or unexplained ingertility.sperm is stored in small vials or straws holding between 0.4-1.0 ml and cryogenically preserved in liquid nitrogen step by step. Donor sample ID No will be display on vial.