This book contains proven steps and strategies on what are the factors you will need to consider, and under what circumstances is a certain method deemed appropriate. The efficiency, comfort, health compatibility, ease of use, and the routine involved are a few of the things that are provided here which will guide you to decide the best method that will suit both you and your partner. You will also have to consider your health history and compare it to the side effects of the methods to find a method that is compatible with you.