A. 1  PNC Bank uses encryption for online security. 2  Encryption technology can be used for a host of applications, including electronic commerce (sending credit card numbers for orders or transmitting account information), e-mail messages and sensitive documents. 3  Encryption is utilized with the transmission of data from one party to another.
If you get irritated using spermicide, you're probably allergic to it. Unfortunately, all spermicides and contraceptive gels sold in the United States contain the same active ingredient, Nonoxynol-9. If youâre allergic to that, this method (and condoms with spermicidal lubricant) wonât work for you.
home / medterms medical dictionary a-z list / vaginal spermicide definition Medical Definition of Vaginal spermicide Vaginal spermicide: A vaginal spermicide is a substance that will kill sperm in the vagina. Vaginal spermicides are available in foam, cream, jelly, film, suppository, or tablet forms. All types contain a sperm-killing chemical. Studies have not produced definitive data on the efficacy of spermicides used alone (without a diaphragm or cervical cap) but research suggests the failure rate for typical users may be in the range of 20% per year.