These guidance articles are peer reviewed and provided to give research teams high quality and trustworthy information on how to conduct a task or resolve an issue in the design, conduct or reporting of a clinical trial. Articles are accompanied by resources, such as a template or example documents. These are free for you to download and adapt for your study. Please acknowledge www.globalhealthtrials.org if you use these.
Whether breast cancer screening does more harm than good has been debated extensively. The main questions are how large the benefit of screening is in terms of reduced breast cancer mortality and how substantial the harm is in terms of overdiagnosis, which is defined as cancers detected at screening that would not have otherwise become clinically apparent in the woman's lifetime.