Lather Up! Spermicide Protects Against STDs But Mirena and NuvaRing Don't

Spermicides kill sperm  when studied in the laboratory. Thus, it stands to reason that spermicides in proper concentration work because they also kill sperm in the vagina before they can cause pregnancy, and in many cases, before they can cause an STD.  All studies of contraceptive efficacy do prove they do help to prevent pregnancy, but some studies didn't confirm the STD protection, such as one study done on sex workers. Spermacide cannot prevent yeast infections, bacterial vaginal infections or trichomoniasis infections. Virtually all women can use spermicide, only about 1% of the population is allergic. Spermicide is very safe as well, as very little is absorbed through the wall of the vagina. The effects of spermicide only last a few hours, in the best cases (about 8), but if you use a suppository, you have about an hour of protection, but there is something called Advantage-24 that does give you a full 24 hours of protection. Some women using NuvaRing and Mirena wearers have been worried about their contraceptive gel, which they still use for the sperm-killing STD-preventing properties, and wondering if it could interfere with contraceptive efficacy of these methods since both are "internal". Nope. Lather up, use whatever spermicide (with a condom for extra protection) you can, because protection against pregnancy with these devices doesn't protect you against STDs. New studies show that there is not interference in the steroid release of the NuvaRing or the Mirena, by spermicide, slip and slide goos, or tampons for that matter! Good to know!


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