Clinical and Serological Assessment of Children Exposed in Utero to Confirmed Maternal Rubella

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Abstract
As a result of the work of the Public Health Laboratory Service Working Party on Rubella (1970) it was possible to examine the children of 60 susceptible women who were in contact with rubella during their pregnancy and who subsequently showed serological evidence of the infection, despite immunoglobulin prophylaxis. When the children were assessed between 8 months and 4 years 8 months of age a blood sample was also taken and tested for rubella antibodies so that a retrospective diagnosis of congenital rubella infection could be made. Only 19% of children exposed to subclinical maternal rubella showed evidence of intrauterine infection compared with 53% of those born to mothers who had clinical rubella. One of the 26 children exposed to subclinical maternal infection had a rubella defect, compared with 9 of the 34 children exposed to clinical maternal rubella.