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. 1978 Feb 11;1(6109):350-3.
doi: 10.1136/bmj.1.6109.350.

Antenatal diagnosis of thalassaemia major

D V Fairweather, B Modell, V Berdoukas, B P Alter, D G Nathan, D Loukopoulos, W Wood, J B Clegg, D J Weatherall

Antenatal diagnosis of thalassaemia major

D V Fairweather et al. Br Med J. .

Abstract

Haemoglobin synthesis was studied in fetal blood samples obtained at 17 to 20 weeks' gestation in 22 women at risk of carrying a fetus with homozygous beta-thalassaemia. A presumptive diagnosis of homozygous beta-thalassaemia was made in four cases, and the pregnancy was terminated. An inconclusive answer was obtained in one case, and the patient also chose to have her pregnancy terminated. Two fetuses were lost as a result of the procedure. Of the remaining 15 pregnancies, 13 proceeded to term and two to 36 weeks; in each case a normal infant or one heterozygous for beta-thalassaemia was delivered. Current efforts should be directed towards improving the blood sampling technology so that fetal blood sampling can be used widely in those countries where thalassaemia is a major problem.

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