Beth is a 16-year-old patient whose mother has brought her to the office because Beth is always complaining of being tired. Beth tells you that she has frequent headaches, and her feet are always cold. Her blood pressure is 100/64, and her heart rate is 84. When you ask if her menstrual periods are normal, she says she bleeds heavily for 7 or 8 days each month. Which of the following conditions might you suspect?
A. Polycythemia vera
B. Iron-deficient anemia
C. Thalassemia
D. Leukemia
E. Sickle-cell anemia
B. Iron-deficient anemia
Beth's symptoms are consistent with anemia, and women who have heavy menstrual cycles are susceptible to iron-deficient anemia.
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