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Determination of HBSAg in pregnancy. Epidemiologic study of 100 cases.

There are some arguments concerning prenatal Hepatitis B testing: universal screening versus testing of risk groups. A thousand parturients were evaluated in order to assess the sensitivity of risk factors in the identification of Hepatitis B surface antigen (HBsAg) positive women. To achieve that purpose they were questioned regarding risk factors and blood samples were collected for HBsAg testing. Thirty two ...