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sickle cell trait
2 articles in this field-note collection.
Hemoglobin S percentage: trait, disease and targets
Hemoglobin S (HbS) percentage is the share of your hemoglobin that is the sickle form. What 0%, under 40% and over 50% mean, and the 30% target.
Sickle cell screen: what a positive or negative means
A sickle cell screen checks blood for hemoglobin S. What a positive or negative result means, when it can be wrong, and which test sorts trait from disease.