A one-and-a-half-year-old baby has been diagnosed with mild anemia in three consecutive blood routine checks conducted at six months, one year, and one-and-a-half years old. His hemoglobin levels were 118, 102, and 114 respectively. The baby’s hematocrit (HCT), mean corpuscular volume (MCV), and mean corpuscular hemoglobin content (MCH) were all below the lower limit of the normal range. Specific values are as follows