Spermicides help prevent pregnancy by killing sperm before they can enter the uterus. They come in many forms, including foam, jelly, film, and suppository-like inserts. These can be bought in drugstores without a prescription.
Pregnancy rates
Talk to your doctor about the effectiveness of this birth control method.
Using spermicides
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For best protection against pregnancy, use spermicides with a barrier method (condom, diaphragm, or cervical cap).
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Apply before there is any contact between the penis and vagina.
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Check the package for instructions on how to apply.
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Reapply each time you have sex.
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Don't douche or use tampons for 6 to 8 hours after using a spermicide.
Pros
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They're easy to get.
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No prescription is needed.
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Either partner can apply them, so responsibility can be shared.
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They come in many forms.
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They're easy to stop if you decide you want to become pregnant.
Cons
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They have a high pregnancy rate when used alone.
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They provide little protection against sexually transmitted infections (STIs).
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They can interrupt sex.
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They may cause minor irritation of the skin or vagina.
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They may taste bad.
Spermicides may not be for you
Spermicides may not be for you if:
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You are not also using a barrier method.
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You are allergic to spermicides.
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You're not willing to interrupt sex to apply them.
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