Labs
Fatigue and a low hemoglobin
introA 34-year-old presents with months of fatigue. She reports heavy menstrual periods. She takes no medications.
Results
| Test | Clinic bloodwork | Reference |
|---|---|---|
| Hb | 84L | 120–160 g/L |
| MCV | 68L | 80–100 fL |
| Retic | 28 | 20–100 ×10⁹/L |
| Ferr | 6L | 30–300 µg/L |
| TSat | 7L | 20–50 % |
| Plt | 460H | 150–400 ×10⁹/L |
What is the most likely mechanism of this anemia?