One experimental condom has tabs on either side so it's easier to put on in the dark. Courtesy of California Family Health Council hide caption

itoggle caption Courtesy of California Family Health Council

Health care workers in South Africa speak to residents during a door-to-door AIDS awareness campaign, part of a series of prevention efforts that has helped lower the country's HIV infection rate. Mujahid Safodien /Reuters /Landov hide caption

itoggle caption Mujahid Safodien /Reuters /Landov

At the International AIDS conference, a female condom fashion show raised awareness about the rising need for more female condoms. Olwin Manyanye of Zimbabwe shows off one of the dresses decorated with a second-generation female condom, called "FC2." Benjamin Morris/NPR hide caption

itoggle caption Benjamin Morris/NPR

Young activists distribute condoms at an AIDS awareness event in Ashbury Park, N.J. Charles Sykes/AP hide caption

itoggle caption Charles Sykes/AP

A bus in Washington, D.C., displays an advertisement for a female condom in July 2010. To encourage their use, community groups distributed more than 500,000 of the female condoms, flexible pouches that are wider than a male condom but similar in length, during instruction sessions at beauty salons, barber shops, churches and restaurants. Drew Angerer/AP hide caption

itoggle caption Drew Angerer/AP