Vitality
Vitality is the percentage of live sperm cells in the sample, measured by checking whether their cell membranes are intact. All moving sperm cells are alive, but immotile (non-moving) sperm can also alive.
Vitality is the percentage of live sperm cells in the sample, measured by checking whether their cell membranes are intact. All moving sperm cells are alive, but immotile (non-moving) sperm can also alive.