Sperm Penetration Tests
Sperm penetration tests check to see whether a man's sperm can move through cervical mucus and the Reference fallopian tubes Opens New Window to join with (fertilize) an egg. This test is usually done when a couple is having trouble becoming pregnant (Reference infertility Opens New Window).
There are different sperm penetration tests.
- The sperm mucus penetration test checks whether a man's sperm can move through the cervical mucus. This test is not done very often because there are other fertility tests that give more information about the fertility problem.
- The sperm penetration assay (also called the hamster zona-free ovum test or hamster test) checks whether a man's sperm can join with an egg. Sperm are mixed with hamster eggs in a laboratory. The number of sperm that penetrate the egg (sperm capacitation index) is measured. This test is done most often at special fertility centers that do Reference in vitro fertilization Opens New Window.
|By:||Reference Healthwise Staff||Last Revised: Reference December 7, 2011|
|Medical Review:||Reference Sarah Marshall, MD - Family Medicine
Reference Femi Olatunbosun, MB, FRCSC - Obstetrics and Gynecology