Abstract:questionnaires on their socio-demographic, reproductive, family and medical history, and behaviours/exposures such as dental and surgical procedures, blood transfusion, induced abortion, early sexual exposure, multiple sexual partners, anal sex, acupuncture, ear and body piercing, body tattoo and sharing needles for drug use. Results Sixteen of 1105 (1.4%, 95% CI 1.0 to 2.0%) mothers test positive for HBV infection. The most common behaviours/exposures were ear piercing (77.5%), dental procedures (51.2%), surg… Show more
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