Prenatal diagnosis of homozygous beta-thalassaemia.

  • 25 October 1975
    • journal article
    • case report
    • Vol. 2  (7939) , 790-1
Abstract
In two pregnancies at risk for homozygous beta+ and beta0 thalassaemia, fetal blood mixed with maternal blood was obtained by placental aspiration and was purified to over 90% purity by differential agglutination with anti-i antibodies. Study of globulin-chain synthesis showed absence of beta-globulin chain in both fetuses. The diagnosis of homozygous beta-thalassaemia was made and was confirmed after the pregnancies were terminated. Thus, the defect in beta-globulin-chain synthesis in homozygous beta-thalassaemia is expressed in utero, and prenatal diagnosis is possible.

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