We've all heard the stories about how guessing when you're fertile is a terrible idea because it's too unpredictable. If you want to protect yourself from an unwanted pregnancy you should either abstain or use a "real" method like the pill or an IUD. FALSE. There is an extremely effective natural method for preventing pregnancy, but it requires commitment. But not much more commitment than committing to take a pill every day. So let's bust some myths about a very effective co