The sponge is inserted by the woman into the vagina and covers the cervix blocking sperm from entering the cervix. The sponge also contains a spermicide that kills sperm. It is available without a prescription.
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.
