Semen testing is one method used to gather information about male reproductive health. A semen analysis may examine several characteristics of a sample, including sperm concentration, movement and appearance. These observations can provide useful information when a person is undergoing a reproductive assessment, although a single test does not necessarily describe every aspect of fertility. Depending on the circumstances, a healthcare professional may recommend additional evaluation or another sample. People researching semen testing can learn about the purpose of the analysis, the types of i