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.
1 Since the risk for breast cancer goes up as you get older, women ages 50 to 70 are more likely to benefit from having a mammogram than women who are in their 40s. 2  By waiting until age 50 to start having mammograms:  You avoid the cost and inconvenience of getting a mammogram during your 40s.