From barrier methods such as condoms and diaphragms to oral contraceptive pills and from hormone-based implants and injectables to permanent sterilization techniques, there are a number of ways to prevent unwanted pregnancy today. But which are the most effective, and how do you choose the method that's right for you? What about side effects and long-term implications for health, such as increased risk for cancer? Does birth control affect your chances of getting pregnant in the future? This book provides clear, concise answers to these and other questions young readers may have about this topic, and follows a reader-friendly question-and-answer format that anticipates readers' needs and concerns. Myths and misconceptions are identified and dispelled, and case studies illustrate key concepts and issues. Discusses health literacy, and includes practical tools and strategies for finding, evaluating, and using credible sources of health information both on and off the internet.