My last two blood tests, over the course of a year, have shown to have low WBC: 3.3L (range 4.0-10.5), low RBC: 3.61L (range 3.8-5.1), and low Absolute Neutrophils: 1.5L (range 1.8-7.8). My doctor just keeps saying "Let's retest in 6 months," but is that the right protocol? Thank you!!!