C3 allotypes in pregnancy hypertension and eclampsia

D. W. Cooper, E. M. Deane, P. Marshall, E. D M Gallery

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)


C3 allotyping has been performed on 424 Australian women, 203 with normotensive pregnancies, 161 with hypertensive noneclamptic pregnancies and 60 eclamptic women. The frequency of women heterozygous for 'rare' C3 alleles was 1% in the normotensive women and 3.7% in the hypertensive group. Three out of 25 (12%) of the women with proteinuric hypertension in pregnancy carried 'rare' C3 alleles. This suggested the hypothesis that the pre-eclampsia/eclampsia is associated with a higher frequency of rare alleles. The sample of 60 eclamptic women collected to test the hypothesis had no rare alleles, refuting the hypothesis. The frequency of the common (C3(F), C3(S)) alleles did not differ significantly between the three groups. We conclude that there is no evidence for any association between susceptibility to eclampsia and allotypes of the C3 complement component.

Original languageEnglish
Pages (from-to)52-55
Number of pages4
JournalHuman Heredity
Issue number1
Publication statusPublished - 1988


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