the effectiveness of 2 condoms
Mar 2, 2003
Hello doctor Kull,
I wore 2 condoms during intercourse with a female of unknown status. Can you tell me how effective is this method on a rate from 1 to 10. I understand condom is very effective and would using 2 condoms increase the chance of NOT acquiring HIV?
Response from Mr. Kull
A 1997 study conducted in Thailand examined the effectiveness of multiple condom use. Among a group of heterosexual commercial sex workers, condom breakage was detected in 1.8% of single condom use, .2% among those who used two condoms, and no breakage among those who used more than two condoms. That study suggests that using more than one condom decreases the chance of breakage, but the differences are not significant. It is important to note that the breakage rate of one condom during sex is very low.
Condoms are manufactured to be effective when used one at a time. Failure rates (breakage or slippage) that are the result of faults in the condom itself are very low. Condoms are not designed for double-bagging (using two condoms at once), so actual problems this may cause in condom effectiveness is not completely clear. Using more than one condom at a time will also decrease sensation for the wearer.
Ultimately, it is most important that at least one condom is used during sex.
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