Semen Analysis (WHO criteria)

Semen Analysis is used to evaluate a man’s ability to reproduce. It measures the amount of semen produced and the quality and quantity of sperm in the semen sample. One third of fertility problems are caused because of sperm defects.

Semen-Analysis Semen Analysis includes testing:

  • Volume of semen in each ejaculation
  • Time taken for semen to liquefy or Liquefaction Time
  • Sperm count in a given semen sample
  • Sperm morphology in a semen sample
  • Motility of sperm in semen sample
  • Ph of semen
  • WBC count in semen
  • Fructose level in the semen

Semen Analysis is done to determine:

  • Infertility Problems
  • Success of a vasectomy procedure or reversal of the same

This procedure is usually performed by a specialist or in a specialized laboratory. Ejaculation should be avoided for 2-3 days prior to analysis. The sample is collected in a sterile glass container through sexual stimulation or through intercourse using a special type of condom provided by the physician. In order to get accurate results, semen sample must be analyzed within 1-2 hours of ejaculation.

 World Health Organization (WHO) Reference Values (2009) for Fertile Men are shown below

  5th %tile 10th%tile
Semen Volume (ml) 1.5 ml 2 ml
Concentration (Mill/cc) 15 Mill/cc 22 Mill/cc
Total Number (Mill/Ejac) 39 Mill/Ejac 69 Mill/Ejac
Motility (%) 40 % 45 %
Progressive Motility (%) 32 % 39 %
Normal Forms (%) 4 % 5.5 %
Vitality (%) 58 % 64

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