Sperm Testing

The basic semen analysis evaluates the ejaculated semen specimen and looks at several parameters that may influence fertility. Several parameters and their normal values are listed below.

In addition, viscosity, morphology, and appearance are also noted in the specimen.

Normal Semen Parameters

A normal semen sample will fall within the following parameters:

Collecting a Semen Sample

Coordinate specimen collection through the clinic. All of the ejaculate should be collected. However, if the cup is missed, do not attempt to put the wayward sperm into the cup.

The results are more accurate if the entire specimen is collected. Specimens collected at home should be kept warm at body temperature and delivered within 30 minutes.

The most accurate representation of your true semen analysis parameters will be obtained from specimens collected with two to six days of abstinence. At least two days of abstinence prior to collection is necessary. More than seven days of abstinence prior to collection may result in lower motility.

Analyzing the Semen Sample

Semen profile will evaluate the above parameters as well as swim up concentration and overnight swim up concentration. The normal range for a swim up is greater than 1 x 106 and the overnight swim up should decrease less than 20 percent.

Total motile concentrations below one million (1 x 106) make fertilization much less likely and may prompt further evaluations such as a referral to a urologist. In these situations, in vitro fertilization and ICSI may also be recommended treatments.