1 If two consecutive transfusions yield increments that do not meet the minimum standard for a successful transfusion (see Refractoriness below), the effectiveness of subsequent platelet transfusions should be evaluated by performing a count 10 to 60 minutes after their completion.
American College of Radiology: Starting at 40, get a mammogram every year. American College of Gynecology and Obstetrics: At 40 to 49, get a mammogram every year or every two years; at 50 and older, a mammogram every year. U.S. Preventive Services Task Force: At 50, get a mammogram every two years, ending at 75.
Annual mammograms starting at age 40 may not be the norm anymore. (iStockPhoto) Nobody enjoys getting a mammogram, but it is an essential prevention measure against breast cancer deaths. Some experts, however, are questioning how often women really need mammograms to detect cancer and ultimately save lives. Most women are used to hearing that they should get a mammogram every year starting at age 40.