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CHAPTER 15 Spermicides and Diaphragms
Spermicides
Key Points for Providers and Clients |
- Spermicides are placed deep in the vagina shortly before sex.
- Require correct use with every act of sex for greatest effectiveness.
- One of the least effective contraceptive methods.
- Can be used as a primary method or as a backup method.
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What Are Spermicides?
- Sperm-killing substances inserted deep in the vagina, near the cervix, before sex.
- Nonoxynol-9 is most widely used.
- Others include benzalkonium chloride, chlorhexidine, menfegol, octoxynol-9, and sodium docusate.
- Available in foaming tablets, melting or foaming suppositories, cans of pressurized foam, melting film, jelly, and cream.
- Jellies, creams, and foam from cans can be used alone, with a diaphragm, or with condoms.
- Films, suppositories, foaming tablets, or foaming suppositories can be used alone or with condoms.
- Work by causing the membrane of sperm cells to break, killing them or slowing their movement. This keeps sperm from meeting an egg.
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