Early prenatal diagnosis of Hb Lepore Boston‐Washington and β‐thalassemia on fetal celomatic DNA

Abstract excerpt

INTRODUCTION: Analysis of fetal DNA in at risk couples for thalassemia is performed from fetal trophoblast or amniotic fluid cells. Although these procedures are in common use, the main limitation is essentially due to the late gestation week in which diagnosis is performed. The celomic cavity develops around 4 weeks of pregnancy within the extraembryonic mesoderm and contains embryonic erythroid precursor cells...

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