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[Quantitative IgM-testing and prenatal rubella infection (author's transl)]
Geburtshilfe Und Frauenheilkunde
|April 1, 1977
Summary
During a rubella epidemic, researchers tested newborn IgM levels and antibodies. Prenatal rubella infection was confirmed in 26 cases, with 16 showing specific IgM or persistent antibodies, and 6 of 13 interrupted pregnancies resulting in embryopathy.
Area of Science:
- Virology
- Immunology
- Pediatrics
Context:
- An epidemic of rubella infection occurred in Bonn and its vicinity.
- Cord blood from 686 newborns was analyzed for IgM levels and rubella antibodies.
- The study investigated prenatal rubella infections and their consequences.
Purpose:
- To assess the prevalence of prenatal rubella infection during an epidemic.
- To determine the correlation between maternal rubella infection and infant outcomes.
- To evaluate the diagnostic utility of IgM levels and antibody persistence in newborns.
Summary:
- Analysis of 686 newborns' cord blood revealed elevated IgM levels in 119 infants.
- Prenatal rubella infection was confirmed in 26 children, with 16 cases showing specific IgM and/or persistent antibodies.
- Of 39 investigated maternal rubella infections during early pregnancy, 21 cases (81%) involved transplacental virus transmission, leading to embryopathy in 6 of 13 affected newborns.
Impact:
- Highlights the significant risk of congenital rubella embryopathy following maternal infection in early pregnancy.
- Emphasizes the importance of monitoring IgM levels and antibody persistence for diagnosing prenatal rubella.
- Provides data on the effectiveness of interventions such as therapeutic abortion in managing rubella during pregnancy.