Sperm Penetration Tests
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Test Overview
Sperm penetration tests check to see whether a man's sperm can move through cervical mucus and the fallopian tubes to join with (fertilize) an egg. This test is usually done when a couple is having trouble becoming pregnant (infertility).
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 in vitro fertilization.
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| Last updated: | March 21, 2008 |
|---|---|
| Author: | Sandy Jocoy, RN |
| Reviewed By: | Sarah Marshall, MD - Family Medicine, Kirtly Jones, MD - Obstetrics and Gynecology |
| Editors: | Kathleen M. Ariss, MS, Pat Truman, MATC |
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