博文

目前显示的是 三月, 2016的博文

Polyurethane Condoms Breakage and Acceptability

As there are more and more polyurethane condom comes into market, consumer face the choice between it and the latex goods, which one is better for them, if the new material goods safe and good feeling to use it? here we have made a study to compare them. Testing Context:   Although the first commercial polyurethane condoms were approved for use several years ago, no U.S. clinical trial has compared its performance to latex condoms. Testing Methods:   In a masked crossover study, 360 couples were randomized to use three polyurethane condoms and three latex condoms. After each use, couples recorded condom breaks, condom slips and other aspects of performance. At completion of the study, couples compared the sensitivity, ease of use, fit and lubrication of the two kinds of condoms. Testing Results:   The clinical breakage rate of the polyurethane condom was 7.2%, compared with 1.1% for the latex condom (relative risk of 6.6, 95% confidence interval of 3.5-12.3). The complete slippa