We realised this study in order to determine the frequency of abnormal haemoglobins and to appreciate the need for a neonatal screening for haemoglobinopathies in Brussels. Over a two year-period, 9575 cord blood samples were systematically screened. The study disclosed following results : 40% of newborns were from regions at risk for haemoglobinopathies and abnormal haemoglobins were present in 2.5% of the neonates tested. This frequency is similar to those reported elsewhere in North Europe. The most frequent abnormal haemoglobins were the Hb S, Bart's, C, D and E. Three cases of severe forms of sickle cell anaemia were identified. The frequency of abnormal haemoglobins and Hb S traits combined to the high rate of mixed marriages (16%) justifies the need for a universal screening for haemoglobinopathies in Brussels.
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Department of Biology, Universidade Estadual Paulista (UNESP), São Paulo, Brazil; Campus de Três Lagoas, Universidade Federal de Mato Grosso do Sul (CPTL/UFMS), Mato Grosso do Sul, Brazil. Electronic address:
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