Remarkably, whenever you are a good DNA fragmentation cutoff of 31% is usually made use of, you will find restricted knowledge deciding on DNA fragmentation prices > 30%. I understood just one studies and that opposed reproductive effects in the guys with spunk which have DNA fragmentation cost off ?15% compared with > 50% . They discovered that having fun with jizz chose by the course and you will morphology trait having intracytoplasmic sperm treatment, people with high spunk DNA fragmentation prices got comparable fertilization and medical pregnancy rates in contrast to jizz that have lower DNA fragmentation pricing . You'll find if not zero degree considering cum DNA fragmentation prices > 30%, but the literary works clearly shows that a beneficial DNA fragmentation out-of > 30% negatively correlates with male reproductive outcomes.

Living sperm possess an unchanged cytoplasmic membrane layer, the reason for viability assays particularly or dye difference analysis, hence tests sperms' power to fight the new assimilation regarding specific dyes, together with eosin, nigrosin, otherwise trypan blue . According to 2010 Which research guide towards the examination and you may running away from peoples semen, the low source limit to possess stability (membrane-intact spermatozoa) try 58% (fifth centile, 95% CI 55–63) .