DefinitionSemen analysis is a test to measure the amount and quality of a man's semen and sperm. Semen is the thick, white, sperm-containing fluid released during ejaculation.The test is sometimes called a sperm count.Alternative NamesMale fertility test; Sperm countHow the test is performedYou will need to provide a semen sample. Your health care provider will explain how to collect a sample.Sample collection may involve masturbation and collecting the sperm into a sterile container. It may also be collected during intercourse by using a special condom supplied by your health care provider.A laboratory specialist must look at the sample within 2 hours of the collection. The earlier the sample is analyzed, the more reliable the results. The laboratory specialist will look at the sample to