Consumer Reports tested 15,000 condoms for its most recent report, representing 20 models from different brands. The most reliable? While all of the condoms tested met minimum reliability standard requirements for volume and pressure, there were four different models from Trojan, two from Lifestyles, and one from Durex that all had perfect scores, including Consumer Reports' most stringent strength measure, in which condoms are filled with 25 litres of liquid. - Viviane Tang