Examples of spermicide in the following topics:
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- As a contraceptive, spermicide may be used alone.
- Spermicides cause irritation and according to the CDC, studies have shown that spermicides increase the risk of HIV.
- The most common active ingredient of spermicides is nonoxynol-9.
- Spermicides are believed to increase the contraceptive efficacy of condoms.
- The most commons forms are creams or spermicidal sponges, both pictured here.
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- The cap is inserted prior to sexual intercourse and is often used in combination with a spermicide.
- The diaphragm, like the cervical cap, is typically used with a spermicide.
- A water-based lubricant (usually spermicide) may be applied to the rim of the diaphragm to aid insertion.
- One teaspoon (5mL) of spermicide may be placed in the dome of the diaphragm before insertion, or with an applicator after insertion.
- The failure rate of the diaphragm with spermicide is approximately 6% per year.
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- These include condoms, diaphragms, cervical caps, sponges, and spermicides; they have a failure rate of 15-24%.
- Chemicals such as spermicides, which are designed to kill sperm, are often used in conjunction; sponges, for example, are saturated with spermicides and are placed in the vagina at the cervical opening.
- Combinations of spermicidal chemicals and barrier methods achieve lower failure rates than do the methods when used separately.
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- All IUDs are situated within the uterus and act as physical barriers at the openings of the Fallopian tubes, in addition to spermicidal or hormonal effects.
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- In those with frequent urinary tract infections who use spermicide or a diaphragm as a method of contraception, they are advised to use alternative methods.
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- It has been speculated that it is a developmental rest still seen among some rodents where the last part of the ejaculate form a spermicidal plug which reduces the chances for sperm from a later-arriving male to proceed to the oocyte.