A 36-year-old woman presents with fatigue and pica. Hb is 84 g/L, MCV 70 fL, ferritin 5 µg/L, and transferrin saturation 10%. There is no chronic disease. According to BC iron deficiency guidelines, what is the most appropriate initial treatment?AReassure and monitor without therapyBIV iron infusion for allCOral elemental iron 40-60 mg once daily or on alternate daysDHigh-dose oral iron three times dailyERed blood cell transfusion for all patients with Hb <100 g/LCheck my answer