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About the Ontario Breast Screening Program

The Ontario Breast Screening Program (OBSP) is a program of Cancer Care Ontario. The OBSP provides high-quality breast cancer screening for women aged 50 to 74 years. Breast cancer screening is free-of-charge for women in Ontario.

Go to OBSP Screening Appointments and Locations to find out how to make an appointment or to search for OBSP locations near you.

The OBSP provides:

  • High-quality mammograms in sites accredited by the Canadian Association of Radiologists;
  • Well-developed quality assurance at each site;
  • Results of the screening appointment for both women and healthcare providers;
  • Help to set up extra tests or referrals if your results suggest that they are needed;
  • A reminder letter when it is time to return for next screening mammogram. Usually, this is every two years. Women over the age of 73 do not receive a reminder letter.
The OBSP also now screens women aged 30 to 69 years who have been confirmed to be at high risk for breast cancer. The OBSP High Risk Screening Centres:
  • Facilitate referrals for genetic assessment for women who may be at high risk for breast cancer (if appropriate);
  • Offer annual screening mammography and breast MRI for women who have been confirmed to be at high risk for breast cancer;
  • Facilitate follow-up breast assessment services for women who require extra tests.

Find out more about OBSP screening for women at high risk .

Last modified: Tue, Feb 17, 2015
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