During a normal monthly cycle, one of a woman's ovaries will produce a mature egg that will travel through the fallopian tube into the uterus. If sperm fertilizes this egg, the egg will attach itself to the uterine wall and begin developing into a fetus.
Update Date: 2/26/2012
Susan Storck, MD, FACOG, Chief, Eastside Department of Obstetrics and Gynecology, Group Health Cooperative of Puget Sound, Bellevue, Washington; Clinical Teaching Faculty, Department of Obstetrics and Gynecology, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M. Health Solutions, Ebix, Inc.
