A further measurement to consider is what percentage of the sperm is going forward progressively; 40 p.c motility is considered usual. The next issue is morphology which determines what proportion of sperm (just matching an archetypal best sperm form, (Kruger Rigid Morphology). Zinc, which could make improvements to sperm mobility http://howtoincreasespermcountqu34455.blogkoo.com/how-to-increase-sperm-count-quickly-an-overview-30089225