Thinking about whether to have a screening mammogram? If you are a woman aged 40 or more you are eligible for a free mammogram with BreastScreen Australia. There are reasons for and against mammogram screening for breast cancer. The Screening and Test Evaluation Program at the School of Public Health, University of Sydney is running an on-line trial of a decision aid for women aged 40 years who are considering whether to begin screening mammography. The decision aid gives the latest information about the pros and cons of screening. If you are a woman aged around 40 we invite you to participate in this study and would greatly appreciate your contribution. Click here http://www.mammogram.med.usyd.edu.au to go to the Australian Screening Mammography Decision Aid Trial where you will find more information about this study.