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Fertilization

Illustration copyright 2000 by Nucleus Communications, Inc. All rights reserved. http://www.nucleusinc.com

Fertilization occurs when a sperm cell penetrates the egg, usually in one of the fallopian tubes.

Primary Medical Reviewer Renée M. Crichlow, MD
- Family Medicine
Specialist Medical Reviewer Kirtly Jones, MD
- Obstetrics and Gynecology
Last Updated November 30, 2006

WebMD Medical Reference from Healthwise

Last Updated: November 30, 2006
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