“…S ickle cell diseases represent a group of inherited diseases, more prevalent in people of Black African heritage, characterized by abnormal hemoglobin formation 1,2,3,4,5 . According to the Programa Nacional de Triagem Neonatal (PNTN) of the Brazilian Ministry of Health, 3,500 children are born in Brazil per year with sickle cell disease (SCD) and 200,000 with sickle cell trait; besides, it is estimated that 7,200,000 people have sickle cell trait (HbAS) and between 25,000 and 30,000 people have SCD 6 .…”