Originally Posted by BubbaLoop

I disagree. Choice of methodology should take into account not only the ability to locate what you want but also the lack of extensive false positives, or "alarms" unrelated to security. A method appropriate for the task at hand will not be gender-sensitive, therefore gender differences will never be an issue. WTMD and ETD are unaltered by gender, while full body scans will hassle persons who are different in ways completely unrelated to airport security.