it means she has low hemoglobin due to iron deficiency. Hemoglobin is made of two part heme and globin. For synthesis of heme iron is required. so deficiency of iron leads to anemia called as iron deficiency anemia. she should take iron reach food like jegary, dates, dryfruits, green leafy vegetables, bengals, bajra. etc. and if required go for oral or parentral iron therapy according to your doctors advice.once iron deficiency is treated her symptoms will releives. thanks for using health care magic.