Condoms are not 100 percent effective. And, it only takes one night of unprotected sex or to be that 1% to get a std or a girl pregnant. Assuming just becuse condom are nearly 100 % therefore anyone who got a std or pregnant was either having unprotected sex or was living life in a caligua type orgy is flawed. You can win the lottery just one time. Not all lottery winners are the ones binging on tickets.