Fertilization

Fertilization

Female reproductive system, with detail of egg passing from ovary to fallopian tube where it is fertilized by sperm

About once a month, an egg is released from one of a woman's two ovaries (ovulation). The egg then enters the nearby fallopian tube. During unprotected sexual intercourse, sperm that is ejaculated from the man's penis may reach the egg in the fallopian tube. Fertilization occurs if one of the sperm cells penetrates the egg. The fertilized egg usually travels down the fallopian tube to the uterus.

ByHealthwise StaffPrimary Medical Reviewer Sarah A. Marshall, MD - Family Medicine Adam Husney, MD - Family Medicine Kirtly Jones, MD - Obstetrics and Gynecology, Reproductive Endocrinology

Current as ofNovember 21, 2017

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