Semen Analysis

About the test

Also known as Sperm count test, Semen Analysis test is used to measure the quantity and quality of a male’s semen and sperm.

Semen is a type of thick and white fluid containing sperm that is released during ejaculation.  When the sperm combines with an egg from a woman it forms an embryo.

Why get tested?

The doctor may ask the patient to undergo a semen analysis test for different reasons. Some patients take the test if they have a problem in conceiving.

A typical semen analysis helps to measure:

  • Number or percent of normal and abnormal (defective) sperm in terms of size and shape (morphology)
  • Number of white blood cells (cells that indicate infection)
  • Coagulation and liquefaction
  • Sperm Motility
  • Sperm concentration (density)
  • Viscosity—consistency or thickness of the semen
  • Volume of semen
  • Number of immature sperm
  • pH—measures acidity
  • Fructose—a sugar in semen that gives energy to sperm
  • Sperm count—total number of sperm


  • It is advised not to use any lubricant when collecting the sample.
  • It is advised to avoid caffeine and marijuana before the test.
  • There are certain medicines that may affect the level of electrolytes in the blood. Therefore, it is necessary to inform the doctor about any medications a patient has been taking before the test
  • It is advised to restrict the consumption of alcohol at least 10-12 hours before the test.

For Post-vasectomy:

  • The doctor may advise having regular ejaculations 3-4 days to clear sperm from the reproductive tract.

For Infertility Testing:

  • The doctor may abstain from sex or masturbation for a few days before collecting the sample for the test.


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Semen Analysis