Frequency of alpha-thalassemia-1 of the Southeast Asian-type among pregnant women in northern Thailand determined by PCR technique

Kitsirisakul, B.; Steger, H.F.; Sanguansermsri, T.

Southeast Asian Journal of Tropical Medicine and Public Health 27(2): 362-363

1996


ISSN/ISBN: 0125-1562
PMID: 9280003
Document Number: 457127
Five hundred pregnant women were analyzed for the presence of alpha-thalassemia-1 of the Southeast Asian (SEA)-type by polymerase chain reaction (PCR) technique at the Maharaj Nakhon Chiang Mai University Hospital in Chiang Mai during the period from April to June 1995. Forty-four of them (8.8%) were recognized as carriers, corresponding to a frequency of 0.044. Homozygous alpha-thalassemia-1 of the SEA-type, the fatal condition of hemoglobin Bart's hydrops fetalis, has an expected frequency of 0.00194, or about 2 hydrops fetalis cases per 1,000 births in this population.

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