Sperm motility

{
  "id": "MLC-T-CHM-011175",
  "term": "Sperm motility",
  "field": "Chemistry",
  "definition": "The ability of spermatozoa to move under their own power, with progressive motility meaning travel forward in a line or large circles, which a sperm needs to reach and penetrate the egg. It is assessed by microscopic examination of fresh semen, scoring the percentage of sperm that are progressive, non-progressive, or immotile. The WHO lower reference limit for progressive motility is 32% in the fifth edition manual and 30% in the sixth.",
  "subject": "Chemistry and Human Health",
  "see_also": [
    "egg",
    "female fertility",
    "spermatozoon"
  ],
  "references": [
    "PAC, 2016, 88, 713. 'Glossary of terms used in developmental and reproductive toxicology (IUPAC Recommendations 2016)' on page 781 (https://doi.org/10.1515/pac-2015-1202)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/sperm-motility/"
}