Condoms (Mayo Foundation for Medical Education and Research)
... sensation during sex.
Some condoms are lubricated with nonoxynol-9, a spermicide meant to help prevent pregnancy. ... effective than other lubricated condoms at preventing pregnancy. Nonoxynol-9 may irritate or damage skin cells in ...
www.mayoclinic.com/health/condoms/MY00654/METHOD=print - External Health Links
Spermicide (Mayo Foundation for Medical Education and Research)
... is a substance that contains chemicals, such as nonoxynol-9, that immobilize or kill sperm. Spermicide is ... counter vaginal contraceptive and spermicide drug products containing nonoxynol-9; Required labeling. U.S. Food and Drug Administration. ...
www.mayoclinic.com/health/spermicide/MY01005/METHOD=print - External Health Links