LIBBY LIBRARY · TOPIC
thalassemia
2 articles in this field-note collection.
Hemoglobin A2 (HbA2): normal range and beta-thal trait
HbA2 is a minor adult hemoglobin. Here's the normal range, why above 3.5% points to beta-thalassemia trait, and what else can push it up or down.
Fetal hemoglobin (HbF): normal levels and what high means
Hemoglobin F is the hemoglobin you made before birth. Normal levels by age, why it runs high in HPFH and thalassemia, and why more helps in sickle cell.