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Clin Genet. 1998 Apr;53(4):258-61.

Sex ratio and absence of uniparental disomy in spontaneous abortions with a normal karyotype.

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Institute of Medical Genetics, University of Wales College of Medicine, Heath Park, Cardiff, UK.


A series of spontaneous abortions collected in the South Wales region over a period of 18 months was karyotyped to identify those with a normal chromosome complement. Microsatellite polymorphisms distributed throughout all autosomes were typed by the polymerase chain reaction to determine the parental origin of each autosome pair in karyotypically normal spontaneous abortions. In 35 cases biparental inheritance of every autosome pair was demonstrated. The sex ratio of the normal spontaneous abortions of proven biparental origin was 0.77, but this was not significantly different from 1.00.

[Indexed for MEDLINE]

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