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

ByHealthwise Staff
Primary Medical ReviewerSarah Marshall, MD - Family Medicine
Specialist Medical ReviewerKirtly Jones, MD - Obstetrics and Gynecology

Current as ofSeptember 9, 2014

Current as of: September 9, 2014

Author: Healthwise Staff

Medical Review: Sarah Marshall, MD - Family Medicine & Kirtly Jones, MD - Obstetrics and Gynecology