History's 10 Most Terrifying Contraceptives The three most terrifying things in the world are werewolves, clowns and unplanned pregnancy. Humanity has known this since time began and as such has endeavored to make sure the last one of these would happen as infrequently as possible.
When you combined extreme motivation, human ingenuity and the fact that most people are stupid, you wound up with contraception methods that will blow your mind. Or at least leave you feeling a little weird down there.