A 32-year-old woman comes to the physician for a routine health maintenance examination. Past medical history is unremarkable. Vitals are normal. Laboratory studies show: hemoglobin 10 g/dL; MCV 72 fL. Which of the following is the most appropriate next step in management?
Check serum iron and ferritin
Hemoglobin electrophoresis
Oral iron therapy
Parenteral iron therapy
Schedule follow-up in 3 months
