For anyone looking for a natural way of birth control I highly recommend you this book! Not only does it teach the Fertility Awareness Method but also helps you understand your body! Also if breastfeeding shows ways to start FAM. I am going to try this, because I have never been on any kind of birth control ( for personal reasons) but I never knew about the natural way of the body showing you when ur likely to get pregnant or not! This is not the same as the rhythm method. I've done so much research on this n many women have prevented pregnancy for up to 5 years and plus!