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Colorless and odorless, polyurethane is stronger than latex and resists oil-based lubricants. This crossover study randomized 360 couples from the Los Angeles area to use three polyurethane and three latex condoms. All participants were aged 18 to 45 and in a monogamous heterosexual relationship. After each use, couples recorded condom breaks or slips and other performance characteristics.
Condom breakage rates were 7% with the polyurethane condom, versus 1% with the latex counterpart. Slippage rates during intercourse or withdrawal were 3.6% and 0.6%, respectively. Increased stress on the condom resulting from rear-entry position or penis length increased the risk of breakage. Overall, men and women were as likely to express a preference fo…