This will be TMI but Warren also recommends putting them in the "back door" if you don't have time to lay down for 20... As horrible as it sounds it is far less messy (and still does the same thing). You obviously do have to hold off the urge to go to the toilet for a while though. Anyway that is how I have to do my lunchtime one because I'm on my feet all day at work. Also if you do the tampon trick you must cover it in Vaseline or it will absorb the progesterone. Hope that helps!!